File size: 109,501 Bytes
8c763fb
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
1001
1002
1003
1004
1005
1006
1007
1008
1009
1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047
1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109
1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
1183
1184
1185
1186
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305
1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367
1368
1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384
1385
1386
1387
1388
1389
1390
1391
1392
1393
1394
1395
1396
1397
1398
1399
1400
1401
1402
1403
1404
1405
1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423
1424
1425
1426
1427
1428
1429
1430
1431
1432
1433
1434
1435
1436
1437
1438
1439
1440
1441
1442
1443
1444
1445
1446
1447
1448
1449
1450
1451
1452
1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486
1487
1488
1489
1490
1491
1492
1493
1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552
1553
1554
1555
1556
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596
1597
1598
1599
1600
1601
1602
1603
1604
1605
1606
1607
1608
1609
1610
1611
1612
1613
1614
1615
1616
1617
1618
1619
1620
1621
1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666
1667
1668
1669
1670
1671
1672
1673
1674
1675
1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692
1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703
1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757
1758
1759
1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771
1772
1773
1774
1775
1776
1777
1778
1779
1780
1781
1782
1783
1784
1785
1786
1787
1788
1789
1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806
1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842
1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
1947
1948
1949
1950
1951
1952
1953
1954
1955
1956
1957
1958
1959
1960
1961
1962
1963
1964
1965
1966
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979
1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025
2026
2027
2028
2029
2030
2031
2032
2033
2034
2035
2036
2037
2038
2039
2040
2041
2042
2043
2044
2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061
2062
2063
2064
2065
2066
2067
2068
2069
2070
2071
2072
2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089
2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150
2151
2152
2153
2154
2155
2156
2157
2158
2159
2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173
2174
// Copyright (c) Microsoft Corporation.
// Licensed under the MIT License.

using System.Collections;
using System.Collections.Generic;
using System.Globalization;
using System.Management.Automation;
using System.Management.Automation.Host;
using System.Management.Automation.Internal;
using System.Management.Automation.Remoting;
using System.Management.Automation.Runspaces;
using System.Management.Automation.Runspaces.Internal;
using System.Management.Automation.Tracing;
using System.Reflection;
using System.Threading;

using Microsoft.PowerShell;
using Microsoft.PowerShell.Commands;

using Dbg = System.Management.Automation.Diagnostics;

namespace System.Management.Automation
{
#if NOT_USED

    /// <summary>
    /// This represents that a remote data is incorrectly encoded.
    /// </summary>
    public class RemotingEncodingException : RuntimeException
    {
    #region Constructors

        /// <summary>
        /// </summary>
        public RemotingEncodingException()
            : base()
        {
        }

        /// <summary>
        /// </summary>
        /// <param name="message"></param>
        public RemotingEncodingException(string message)
            : base (message)
        {
        }

        /// <summary>
        /// </summary>
        /// <param name="message"></param>
        /// <param name="innerException"></param>
        public RemotingEncodingException(string message, Exception innerException)
            : base(message, innerException)
        {
        }

        /// <summary>
        /// </summary>
        /// <param name="message"></param>
        /// <param name="innerException"></param>
        /// <param name="errorRecord"></param>
        public RemotingEncodingException(string message, Exception innerException, ErrorRecord errorRecord)
            : base(message, innerException, errorRecord)
        {
        }

    #endregion Constructors
    }

#endif // NOT_USED

    /// <summary>
    /// Constants used by hosts in remoting.
    /// </summary>
    internal static class RemotingConstants
    {
        internal static readonly Version HostVersion = PSVersionInfo.PSVersion;

        internal static readonly Version ProtocolVersion_2_0 = new(2, 0); // Window 7 RC
        internal static readonly Version ProtocolVersion_2_1 = new(2, 1); // Window 7 RTM
        internal static readonly Version ProtocolVersion_2_2 = new(2, 2); // Window 8 RTM
        internal static readonly Version ProtocolVersion_2_3 = new(2, 3); // Window 10 RTM
        internal static readonly Version ProtocolVersion_2_4 = new(2, 4); // PowerShell 7.6

        // Minor will be incremented for each change in PSRP client/server stack and new versions will be
        // forked on early major release/drop changes history.
        //      2.101 to 2.102 - Disconnect support as of M2
        //      2.102 to 2.103 - Key exchange protocol changes in M3
        //      2.103 to 2.2   - Final ship protocol version value, no change to protocol
        //      2.2 to 2.3     - Enabling informational stream
        //      2.3 to 2.4     - Deprecate the 'Session_Key' exchange. The following messages are obsolete when both server and client are v2.4+:
        //                        - PUBLIC_KEY
        //                        - PUBLIC_KEY_REQUEST
        //                        - ENCRYPTED_SESSION_KEY
        //                       The padding algorithm 'RSAEncryptionPadding.Pkcs1' used in the 'Session_Key' exchange is NOT secure, and therefore,
        //                       PSRP needs to be used on top of a secure transport and the 'Session_Key' doesn't add any extra security.
        //                       So, we decided to deprecate the 'Session_Key' exchange in PSRP and skip encryption and decryption for 'SecureString'
        //                       objects. Instead, we require the transport to be secure for secure data transfer between PSRP clients and servers.
        internal static readonly Version ProtocolVersionCurrent = new(2, 4);
        internal static readonly Version ProtocolVersion = ProtocolVersionCurrent;
        // Used by remoting commands to add remoting specific note properties.
        internal static readonly string ComputerNameNoteProperty = "PSComputerName";
        internal static readonly string RunspaceIdNoteProperty = "RunspaceId";
        internal static readonly string ShowComputerNameNoteProperty = "PSShowComputerName";
        internal static readonly string SourceJobInstanceId = "PSSourceJobInstanceId";
        internal static readonly string EventObject = "PSEventObject";
        // used by Custom Shell related cmdlets.
        internal const string PSSessionConfigurationNoun = "PSSessionConfiguration";
        internal const string PSRemotingNoun = "PSRemoting";
        internal const string PSPluginDLLName = "pwrshplugin.dll";
        internal const string DefaultShellName = "Microsoft.PowerShell";
        internal const string MaxIdleTimeoutMS = "2147483647";
    }

    /// <summary>
    /// String constants used for names of properties that are for storing
    /// remoting message fields in a PSObject property bag.
    /// </summary>
    internal static class RemoteDataNameStrings
    {
        internal const string Destination = "Destination";
        internal const string RemotingTargetInterface = "RemotingTargetInterface";
        internal const string ClientRunspacePoolId = "ClientRunspacePoolId";
        internal const string ClientPowerShellId = "ClientPowerShellId";
        internal const string Action = "Action";
        internal const string DataType = "DataType";
        // used by negotiation algorithm to figure out client's timezone.
        internal const string TimeZone = "TimeZone";
        internal const string SenderInfoPreferenceVariable = "PSSenderInfo";
        // used by negotiation algorithm to figure out if the negotiation
        // request (from client) must comply.
        internal const string MustComply = "MustComply";
        // used by negotiation algorithm. Server sends this information back
        // to client to let client know if the negotiation succeeded.
        internal const string IsNegotiationSucceeded = "IsNegotiationSucceeded";

        #region Host Related Strings

        internal const string CallId = "ci";
        internal const string MethodId = "mi";
        internal const string MethodParameters = "mp";
        internal const string MethodReturnValue = "mr";
        internal const string MethodException = "me";

        internal const string PS_STARTUP_PROTOCOL_VERSION_NAME = "protocolversion";
        internal const string PublicKeyAsXml = "PublicKeyAsXml";
        internal const string PSVersion = "PSVersion";
        internal const string SerializationVersion = "SerializationVersion";

        internal const string MethodArrayElementType = "mat";
        internal const string MethodArrayLengths = "mal";
        internal const string MethodArrayElements = "mae";

        internal const string ObjectType = "T";
        internal const string ObjectValue = "V";

        #endregion

        #region Command discovery pipeline

        internal const string DiscoveryName = "Name";
        internal const string DiscoveryType = "CommandType";
        internal const string DiscoveryModule = "Namespace";
        internal const string DiscoveryFullyQualifiedModule = "FullyQualifiedModule";
        internal const string DiscoveryArgumentList = "ArgumentList";
        internal const string DiscoveryCount = "Count";

        #endregion

        #region PowerShell

        internal const string PSInvocationSettings = "PSInvocationSettings";
        internal const string ApartmentState = "ApartmentState";
        internal const string RemoteStreamOptions = "RemoteStreamOptions";
        internal const string AddToHistory = "AddToHistory";

        internal const string PowerShell = "PowerShell";
        internal const string IsNested = "IsNested";
        internal const string HistoryString = "History";
        internal const string RedirectShellErrorOutputPipe = "RedirectShellErrorOutputPipe";
        internal const string Commands = "Cmds";
        internal const string ExtraCommands = "ExtraCmds";
        internal const string CommandText = "Cmd";
        internal const string IsScript = "IsScript";
        internal const string UseLocalScopeNullable = "UseLocalScope";
        internal const string MergeUnclaimedPreviousCommandResults = "MergePreviousResults";
        internal const string MergeMyResult = "MergeMyResult";
        internal const string MergeToResult = "MergeToResult";
        internal const string MergeError = "MergeError";
        internal const string MergeWarning = "MergeWarning";
        internal const string MergeVerbose = "MergeVerbose";
        internal const string MergeDebug = "MergeDebug";
        internal const string MergeInformation = "MergeInformation";
        internal const string Parameters = "Args";
        internal const string ParameterName = "N";
        internal const string ParameterValue = "V";

        internal const string NoInput = "NoInput";

        #endregion PowerShell

        #region StateInfo

        /// <summary>
        /// Name of property when Exception is serialized as error record.
        /// </summary>
        internal const string ExceptionAsErrorRecord = "ExceptionAsErrorRecord";
        /// <summary>
        /// Property used for encoding state of pipeline when serializing PipelineStateInfo.
        /// </summary>
        internal const string PipelineState = "PipelineState";
        /// <summary>
        /// Property used for encoding state of runspace when serializing RunspaceStateInfo.
        /// </summary>
        internal const string RunspaceState = "RunspaceState";

        #endregion StateInfo

        #region PSEventArgs

        /// <summary>
        /// Properties used for serialization of PSEventArgs.
        /// </summary>
        internal const string PSEventArgsComputerName = "PSEventArgs.ComputerName";
        internal const string PSEventArgsRunspaceId = "PSEventArgs.RunspaceId";
        internal const string PSEventArgsEventIdentifier = "PSEventArgs.EventIdentifier";
        internal const string PSEventArgsSourceIdentifier = "PSEventArgs.SourceIdentifier";
        internal const string PSEventArgsTimeGenerated = "PSEventArgs.TimeGenerated";
        internal const string PSEventArgsSender = "PSEventArgs.Sender";
        internal const string PSEventArgsSourceArgs = "PSEventArgs.SourceArgs";
        internal const string PSEventArgsMessageData = "PSEventArgs.MessageData";

        #endregion PSEventArgs

        #region RunspacePool

        internal const string MinRunspaces = "MinRunspaces";
        internal const string MaxRunspaces = "MaxRunspaces";
        internal const string ThreadOptions = "PSThreadOptions";
        internal const string HostInfo = "HostInfo";
        internal const string RunspacePoolOperationResponse = "SetMinMaxRunspacesResponse";
        internal const string AvailableRunspaces = "AvailableRunspaces";
        internal const string PublicKey = "PublicKey";
        internal const string EncryptedSessionKey = "EncryptedSessionKey";
        internal const string ApplicationArguments = "ApplicationArguments";
        internal const string ApplicationPrivateData = "ApplicationPrivateData";

        #endregion RunspacePool

        #region ProgressRecord

        internal const string ProgressRecord_Activity = "Activity";
        internal const string ProgressRecord_ActivityId = "ActivityId";
        internal const string ProgressRecord_CurrentOperation = "CurrentOperation";
        internal const string ProgressRecord_ParentActivityId = "ParentActivityId";
        internal const string ProgressRecord_PercentComplete = "PercentComplete";
        internal const string ProgressRecord_Type = "Type";
        internal const string ProgressRecord_SecondsRemaining = "SecondsRemaining";
        internal const string ProgressRecord_StatusDescription = "StatusDescription";

        #endregion
    }

    /// <summary>
    /// The destination of the remote message.
    /// </summary>
    [Flags]
    internal enum RemotingDestination : uint
    {
        InvalidDestination = 0x0,
        Client = 0x1,
        Server = 0x2,
        Listener = 0x4,
    }

    /// <summary>
    /// The layer the remoting message is being communicated between.
    /// </summary>
    /// <remarks>
    /// Please keep in sync with RemotingTargetInterface from
    /// C:\e\win7_powershell\admin\monad\nttargets\assemblies\logging\ETW\Manifests\Microsoft-Windows-PowerShell-Instrumentation.man
    /// </remarks>
    internal enum RemotingTargetInterface : int
    {
        InvalidTargetInterface = 0,
        Session = 1,
        RunspacePool = 2,
        PowerShell = 3,
    }

    /// <summary>
    /// The type of the remoting message.
    /// </summary>
    /// <remarks>
    /// Please keep in sync with RemotingDataType from
    /// C:\e\win7_powershell\admin\monad\nttargets\assemblies\logging\ETW\Manifests\Microsoft-Windows-PowerShell-Instrumentation.man
    /// </remarks>
    internal enum RemotingDataType : uint
    {
        InvalidDataType = 0,

        /// <summary>
        /// This data type is used when an Exception derived from IContainsErrorRecord
        /// is caught on server and is sent to client. This exception gets
        /// serialized as an error record. On the client this data type is deserialized in
        /// to an ErrorRecord.
        ///
        /// ErrorRecord on the client has an instance of RemoteException as exception.
        /// </summary>
        ExceptionAsErrorRecord = 1,

        // Session messages
        SessionCapability = 0x00010002,
        CloseSession = 0x00010003,
        CreateRunspacePool = 0x00010004,
        PublicKey = 0x00010005,
        EncryptedSessionKey = 0x00010006,
        PublicKeyRequest = 0x00010007,
        ConnectRunspacePool = 0x00010008,

        // Runspace Pool messages
        SetMaxRunspaces = 0x00021002,
        SetMinRunspaces = 0x00021003,
        RunspacePoolOperationResponse = 0x00021004,
        RunspacePoolStateInfo = 0x00021005,
        CreatePowerShell = 0x00021006,
        AvailableRunspaces = 0x00021007,
        PSEventArgs = 0x00021008,
        ApplicationPrivateData = 0x00021009,
        GetCommandMetadata = 0x0002100A,
        RunspacePoolInitData = 0x0002100B,
        ResetRunspaceState = 0x0002100C,

        // Runspace host messages
        RemoteHostCallUsingRunspaceHost = 0x00021100,
        RemoteRunspaceHostResponseData = 0x00021101,

        // PowerShell messages
        PowerShellInput = 0x00041002,
        PowerShellInputEnd = 0x00041003,
        PowerShellOutput = 0x00041004,
        PowerShellErrorRecord = 0x00041005,
        PowerShellStateInfo = 0x00041006,
        PowerShellDebug = 0x00041007,
        PowerShellVerbose = 0x00041008,
        PowerShellWarning = 0x00041009,
        PowerShellProgress = 0x00041010,
        PowerShellInformationStream = 0x00041011,
        StopPowerShell = 0x00041012,

        // PowerShell host messages
        RemoteHostCallUsingPowerShellHost = 0x00041100,
        RemotePowerShellHostResponseData = 0x00041101,
    }

    /// <summary>
    /// Converts C# types to PSObject properties for embedding in PSObjects transported across the wire.
    /// </summary>
    internal static class RemotingEncoder
    {
        #region NotePropertyHelpers

        internal delegate T ValueGetterDelegate<T>();

        internal static void AddNoteProperty<T>(PSObject pso, string propertyName, ValueGetterDelegate<T> valueGetter)
        {
            T value = default(T);
            try
            {
                value = valueGetter();
            }
            catch (Exception e)
            {
                Dbg.Assert(false, "Internal code shouldn't throw exceptions during serialization");

                PSEtwLog.LogAnalyticWarning(
                    PSEventId.Serializer_PropertyGetterFailed, PSOpcode.Exception, PSTask.Serialization,
                    PSKeyword.Serializer | PSKeyword.UseAlwaysAnalytic,
                    propertyName,
                    valueGetter.Target == null ? string.Empty : valueGetter.Target.GetType().FullName,
                    e.ToString(),
                    e.InnerException == null ? string.Empty : e.InnerException.ToString());
            }

            try
            {
                pso.Properties.Add(new PSNoteProperty(propertyName, value));
            }
            catch (ExtendedTypeSystemException)
            {
                // Member already exists, just make sure the value is the same.
                var existingValue = pso.Properties[propertyName].Value;
                Diagnostics.Assert(object.Equals(existingValue, value),
                                    "Property already exists but new value differs.");
            }
        }

        internal static PSObject CreateEmptyPSObject()
        {
            PSObject pso = new PSObject();
            // we don't care about serializing/deserializing TypeNames in remoting objects/messages
            // so we just omit TypeNames info to lower packet size and improve performance
            pso.InternalTypeNames = ConsolidatedString.Empty;

            return pso;
        }

        private static PSNoteProperty CreateHostInfoProperty(HostInfo hostInfo)
        {
            return new PSNoteProperty(
                RemoteDataNameStrings.HostInfo,
                RemoteHostEncoder.EncodeObject(hostInfo));
        }

        #endregion NotePropertyHelpers

        #region RunspacePool related

        /// <summary>
        /// This method generates a Remoting data structure handler message for
        /// creating a RunspacePool on the server.
        /// </summary>
        /// <param name="clientRunspacePoolId">Id of the clientRunspacePool.</param>
        /// <param name="minRunspaces">minRunspaces for the RunspacePool
        /// to be created at the server</param>
        /// <param name="maxRunspaces">maxRunspaces for the RunspacePool
        /// to be created at the server</param>
        /// <param name="runspacePool">Local runspace pool.</param>
        /// <param name="host">host for the runspacepool at the client end
        /// from this host, information will be extracted and sent to
        /// server</param>
        /// <param name="applicationArguments">
        /// Application arguments the server can see in <see cref="System.Management.Automation.Remoting.PSSenderInfo.ApplicationArguments"/>
        /// </param>
        /// <returns>Data structure handler message encoded as RemoteDataObject.</returns>
        /// The message format is as under for this message
        /// --------------------------------------------------------------------------------------
        /// | D |    TI     |  RPID  |   PID   |   Action   |      Data      |        Type         |
        /// --------------------------------------------------------------------------------------
        /// | S |  Session  | CRPID  |    0    | CreateRuns | minRunspaces,  |   InvalidDataType   |
        /// |   |           |        |         | pacePool   | maxRunspaces,  |                     |
        /// |   |           |        |         |            | threadOptions, |                     |
        /// |   |           |        |         |            | apartmentState,|                     |
        /// |   |           |        |         |            | hostInfo       |                     |
        /// |   |           |        |         |            | appParameters  |                     |
        /// --------------------------------------------------------------------------------------
        ///
        ///
        internal static RemoteDataObject GenerateCreateRunspacePool(
            Guid clientRunspacePoolId,
            int minRunspaces,
            int maxRunspaces,
            RemoteRunspacePoolInternal runspacePool,
            PSHost host,
            PSPrimitiveDictionary applicationArguments)
        {
            PSObject dataAsPSObject = CreateEmptyPSObject();
            dataAsPSObject.Properties.Add(new PSNoteProperty(RemoteDataNameStrings.MinRunspaces, minRunspaces));
            dataAsPSObject.Properties.Add(new PSNoteProperty(RemoteDataNameStrings.MaxRunspaces, maxRunspaces));
            dataAsPSObject.Properties.Add(new PSNoteProperty(RemoteDataNameStrings.ThreadOptions, runspacePool.ThreadOptions));
            ApartmentState poolState = runspacePool.ApartmentState;
            dataAsPSObject.Properties.Add(new PSNoteProperty(RemoteDataNameStrings.ApartmentState, poolState));
            dataAsPSObject.Properties.Add(new PSNoteProperty(RemoteDataNameStrings.ApplicationArguments, applicationArguments));

            // a runspace's host info always needs to be cached. This is because
            // at a later point in time, a powershell may choose to use the
            // runspace's host and may require that it uses cached Raw UI properties
            dataAsPSObject.Properties.Add(CreateHostInfoProperty(new HostInfo(host)));

            return RemoteDataObject.CreateFrom(RemotingDestination.Server,
                                            RemotingDataType.CreateRunspacePool,
                                            clientRunspacePoolId,
                                            Guid.Empty,
                                            dataAsPSObject);
        }

        /// <summary>
        /// This method generates a Remoting data structure handler message for
        /// creating a RunspacePool on the server.
        /// </summary>
        /// <param name="clientRunspacePoolId">Id of the clientRunspacePool.</param>
        /// <param name="minRunspaces">minRunspaces for the RunspacePool
        /// to be created at the server</param>
        /// <param name="maxRunspaces">maxRunspaces for the RunspacePool
        /// to be created at the server</param>
        /// <returns>Data structure handler message encoded as RemoteDataObject.</returns>
        /// The message format is as under for this message
        /// --------------------------------------------------------------------------------------
        /// | D |    TI     |  RPID  |   PID   |   Action   |      Data      |        Type         |
        /// --------------------------------------------------------------------------------------
        /// | S |  Runspace | CRPID  |    0    | ConnectRun | minRunspaces,  |   InvalidDataType   |
        /// |   |           |        |         | spacePool  | maxRunspaces,  |                     |
        /// |   |           |        |         |            |                |                     |
        /// --------------------------------------------------------------------------------------
        ///
        ///
        internal static RemoteDataObject GenerateConnectRunspacePool(
            Guid clientRunspacePoolId,
            int minRunspaces,
            int maxRunspaces)
        {
            PSObject dataAsPSObject = CreateEmptyPSObject();
            int propertyCount = 0;
            if (minRunspaces != -1)
            {
                dataAsPSObject.Properties.Add(new PSNoteProperty(RemoteDataNameStrings.MinRunspaces, minRunspaces));
                propertyCount++;
            }

            if (maxRunspaces != -1)
            {
                dataAsPSObject.Properties.Add(new PSNoteProperty(RemoteDataNameStrings.MaxRunspaces, maxRunspaces));
                propertyCount++;
            }

            if (propertyCount > 0)
            {
                return RemoteDataObject.CreateFrom(RemotingDestination.Server,
                                            RemotingDataType.ConnectRunspacePool,
                                            clientRunspacePoolId,
                                            Guid.Empty,
                                            dataAsPSObject);
            }
            else
            {
                return RemoteDataObject.CreateFrom(RemotingDestination.Server,
                                            RemotingDataType.ConnectRunspacePool,
                                            clientRunspacePoolId,
                                            Guid.Empty,
                                            string.Empty);
            }
        }

        /// <summary>
        /// Generates a response message to ConnectRunspace that includes
        /// sufficient information to construction client RunspacePool state.
        /// </summary>
        /// <param name="runspacePoolId">Id of the clientRunspacePool.</param>
        /// <param name="minRunspaces">minRunspaces for the RunspacePool
        /// to be created at the server</param>
        /// <param name="maxRunspaces">maxRunspaces for the RunspacePool
        /// to be created at the server</param>
        /// <returns>Data structure handler message encoded as RemoteDataObject.</returns>
        /// The message format is as under for this message
        /// --------------------------------------------------------------------------------------
        /// | D |    TI     |  RPID  |   PID   |   Action   |      Data      |        Type         |
        /// --------------------------------------------------------------------------------------
        /// | C |  Runspace | CRPID  |    0    | RunspacePo | minRunspaces,  |   InvalidDataType   |
        /// |   |           |        |         | olInitData | maxRunspaces,  |                     |
        /// |   |           |        |         |            |                |                     |
        /// --------------------------------------------------------------------------------------
        ///
        ///
        internal static RemoteDataObject GenerateRunspacePoolInitData(
            Guid runspacePoolId,
            int minRunspaces,
            int maxRunspaces)
        {
            PSObject dataAsPSObject = CreateEmptyPSObject();
            dataAsPSObject.Properties.Add(new PSNoteProperty(RemoteDataNameStrings.MinRunspaces, minRunspaces));
            dataAsPSObject.Properties.Add(new PSNoteProperty(RemoteDataNameStrings.MaxRunspaces, maxRunspaces));
            return RemoteDataObject.CreateFrom(RemotingDestination.Client,
                                            RemotingDataType.RunspacePoolInitData,
                                            runspacePoolId,
                                            Guid.Empty,
                                            dataAsPSObject);
        }

        /// <summary>
        /// This method generates a Remoting data structure handler message for
        /// modifying the maxrunspaces of the specified runspace pool on the server.
        /// </summary>
        /// <param name="clientRunspacePoolId">Id of the clientRunspacePool.</param>
        /// <param name="maxRunspaces">new value of maxRunspaces for the
        /// specified RunspacePool  </param>
        /// <param name="callId">Call id of the call at client.</param>
        /// <returns>Data structure handler message encoded as RemoteDataObject.</returns>
        /// The message format is as under for this message
        /// --------------------------------------------------------------------------------------
        /// | D |    TI     |  RPID  |   PID   |   Action   |      Data     |        Type         |
        /// --------------------------------------------------------------------------------------
        /// | S | Runspace  | CRPID  |    0    |   SetMax   | maxRunspaces  |   InvalidDataType   |
        /// |   |   Pool    |        |         |  Runspaces |               |                     |
        /// |   |           |        |         |            |               |                     |
        /// --------------------------------------------------------------------------------------
        internal static RemoteDataObject GenerateSetMaxRunspaces(Guid clientRunspacePoolId,
                                    int maxRunspaces, long callId)
        {
            PSObject dataAsPSObject = CreateEmptyPSObject();
            dataAsPSObject.Properties.Add(new PSNoteProperty(RemoteDataNameStrings.MaxRunspaces, maxRunspaces));
            dataAsPSObject.Properties.Add(new PSNoteProperty(RemoteDataNameStrings.CallId, callId));

            return RemoteDataObject.CreateFrom(RemotingDestination.Server,
                                               RemotingDataType.SetMaxRunspaces,
                                               clientRunspacePoolId,
                                               Guid.Empty,
                                               dataAsPSObject);
        }

        /// <summary>
        /// This method generates a Remoting data structure handler message for
        /// modifying the maxrunspaces of the specified runspace pool on the server.
        /// </summary>
        /// <param name="clientRunspacePoolId">Id of the clientRunspacePool.</param>
        /// <param name="minRunspaces">new value of minRunspaces for the
        /// specified RunspacePool  </param>
        /// <param name="callId">Call id of the call at client.</param>
        /// <returns>Data structure handler message encoded as RemoteDataObject.</returns>
        /// The message format is as under for this message
        /// --------------------------------------------------------------------------------------
        /// | D |    TI     |  RPID  |   PID   |   Action   |      Data     |        Type         |
        /// --------------------------------------------------------------------------------------
        /// | S | Runspace  | CRPID  |    0    |   SetMin   | minRunspaces  |   InvalidDataType   |
        /// |   |   Pool    |        |         |  Runspaces |               |                     |
        /// |   |           |        |         |            |               |                     |
        /// --------------------------------------------------------------------------------------
        internal static RemoteDataObject GenerateSetMinRunspaces(Guid clientRunspacePoolId,
                                    int minRunspaces, long callId)
        {
            PSObject dataAsPSObject = CreateEmptyPSObject();
            dataAsPSObject.Properties.Add(new PSNoteProperty(RemoteDataNameStrings.MinRunspaces, minRunspaces));
            dataAsPSObject.Properties.Add(new PSNoteProperty(RemoteDataNameStrings.CallId, callId));

            return RemoteDataObject.CreateFrom(RemotingDestination.Server,
                                               RemotingDataType.SetMinRunspaces,
                                               clientRunspacePoolId,
                                               Guid.Empty,
                                               dataAsPSObject);
        }

        /// <summary>
        /// This method generates a Remoting data structure handler message for
        /// that contains a response to SetMaxRunspaces or SetMinRunspaces.
        /// </summary>
        /// <param name="clientRunspacePoolId">Id of the clientRunspacePool.</param>
        /// <param name="callId">Call id of the call at client.</param>
        /// <param name="response">Response to the call.</param>
        /// <returns>Data structure handler message encoded as RemoteDataObject.</returns>
        /// The message format is as under for this message
        /// --------------------------------------------------------------------------------------
        /// | D |    TI     |  RPID  |   PID   |   Action   |      Data     |        Type         |
        /// --------------------------------------------------------------------------------------
        /// | S | Runspace  | CRPID  |    0    |   SetMax   | maxRunspaces  |   InvalidDataType   |
        /// |   |   Pool    |        |         |  Runspaces |               |                     |
        /// |   |           |        |         |            |               |                     |
        /// --------------------------------------------------------------------------------------
        internal static RemoteDataObject GenerateRunspacePoolOperationResponse(Guid clientRunspacePoolId,
                                    object response, long callId)
        {
            PSObject dataAsPSObject = CreateEmptyPSObject();
            dataAsPSObject.Properties.Add(new PSNoteProperty(RemoteDataNameStrings.RunspacePoolOperationResponse, response));
            dataAsPSObject.Properties.Add(new PSNoteProperty(RemoteDataNameStrings.CallId, callId));

            return RemoteDataObject.CreateFrom(RemotingDestination.Client,
                                               RemotingDataType.RunspacePoolOperationResponse,
                                               clientRunspacePoolId,
                                               Guid.Empty,
                                               dataAsPSObject);
        }

        /// <summary>
        /// This method generates a Remoting data structure handler message for
        /// getting the available runspaces on the server.
        /// </summary>
        /// <param name="clientRunspacePoolId">guid of the runspace pool on which
        /// this needs to be queried</param>
        /// <param name="callId">Call id of the call at the client.</param>
        /// <returns>Data structure handler message encoded as RemoteDataObject.</returns>
        /// The message format is as under for this message
        /// --------------------------------------------------------------------------
        /// | D |    TI     |  RPID  |   PID   |      Data     |        Type          |
        /// ---------------------------------------------------------------------------
        /// | S | Runspace  | CRPID  |    0    |     null      |GetAvailableRunspaces |
        /// |   |   Pool    |        |         |               |                      |
        /// --------------------------------------------------------------------------
        internal static RemoteDataObject GenerateGetAvailableRunspaces(Guid clientRunspacePoolId,
                                    long callId)
        {
            PSObject dataAsPSObject = CreateEmptyPSObject();
            dataAsPSObject.Properties.Add(new PSNoteProperty(RemoteDataNameStrings.CallId, callId));

            return RemoteDataObject.CreateFrom(RemotingDestination.Server,
                                               RemotingDataType.AvailableRunspaces,
                                               clientRunspacePoolId,
                                               Guid.Empty,
                                               dataAsPSObject);
        }

        /// <summary>
        /// This method generates a remoting data structure handler message for
        /// transferring a roles public key to the other side.
        /// </summary>
        /// <param name="runspacePoolId">Runspace pool id.</param>
        /// <param name="publicKey">Public key to send across.</param>
        /// <param name="destination">destination that this message is
        /// targeted to</param>
        /// <returns>Data structure message.</returns>
        /// The message format is as under for this message
        /// --------------------------------------------------------------------------
        /// | D |    TI     |  RPID  |   PID   |      Data     |        Type          |
        /// ---------------------------------------------------------------------------
        /// | S | Runspace  | CRPID  |    0    |    public     |      PublicKey       |
        /// |   |   Pool    |        |         |     key       |                      |
        /// --------------------------------------------------------------------------
        internal static RemoteDataObject GenerateMyPublicKey(Guid runspacePoolId,
                                    string publicKey, RemotingDestination destination)
        {
            PSObject dataAsPSObject = CreateEmptyPSObject();
            dataAsPSObject.Properties.Add(new PSNoteProperty(RemoteDataNameStrings.PublicKey, publicKey));

            return RemoteDataObject.CreateFrom(destination,
                                               RemotingDataType.PublicKey,
                                               runspacePoolId,
                                               Guid.Empty,
                                               dataAsPSObject);
        }

        /// <summary>
        /// This method generates a remoting data structure handler message for
        /// requesting a public key from the client to the server.
        /// </summary>
        /// <param name="runspacePoolId">Runspace pool id.</param>
        /// <returns>Data structure message.</returns>
        /// The message format is as under for this message
        /// --------------------------------------------------------------------------
        /// | D |    TI     |  RPID  |   PID   |      Data     |        Type          |
        /// ---------------------------------------------------------------------------
        /// | S | Runspace  | CRPID  |    0    |               |   PublicKeyRequest   |
        /// |   |   Pool    |        |         |               |                      |
        /// --------------------------------------------------------------------------
        internal static RemoteDataObject GeneratePublicKeyRequest(Guid runspacePoolId)
        {
            return RemoteDataObject.CreateFrom(RemotingDestination.Client,
                                               RemotingDataType.PublicKeyRequest,
                                               runspacePoolId,
                                               Guid.Empty,
                                               string.Empty);
        }

        /// <summary>
        /// This method generates a remoting data structure handler message for
        /// sending an encrypted session key to the client.
        /// </summary>
        /// <param name="runspacePoolId">Runspace pool id.</param>
        /// <param name="encryptedSessionKey">Encrypted session key.</param>
        /// <returns>Data structure message.</returns>
        /// The message format is as under for this message
        /// --------------------------------------------------------------------------
        /// | D |    TI     |  RPID  |   PID   |      Data     |        Type          |
        /// ---------------------------------------------------------------------------
        /// | S | Runspace  | CRPID  |    0    |  encrypted    | EncryptedSessionKey  |
        /// |   |   Pool    |        |         | session key   |                      |
        /// --------------------------------------------------------------------------
        internal static RemoteDataObject GenerateEncryptedSessionKeyResponse(Guid runspacePoolId,
            string encryptedSessionKey)
        {
            PSObject dataAsPSObject = CreateEmptyPSObject();
            dataAsPSObject.Properties.Add(new PSNoteProperty(RemoteDataNameStrings.EncryptedSessionKey,
                                            encryptedSessionKey));

            return RemoteDataObject.CreateFrom(RemotingDestination.Client,
                                               RemotingDataType.EncryptedSessionKey,
                                               runspacePoolId,
                                               Guid.Empty,
                                               dataAsPSObject);
        }

        /// <summary>
        /// This methods generates a Remoting data structure handler message for
        /// creating a command discovery pipeline on the server.
        /// </summary>
        /// <param name="shell">The client remote powershell from which the
        /// message needs to be generated.
        /// The data is extracted from parameters of the first command named "Get-Command".
        /// </param>
        /// <returns>Data structure handler message encoded as RemoteDataObject.</returns>
        /// The message format is as under for this message
        /// -------------------------------------------------------------------------
        /// | D |    TI     |  RPID  |   PID   |     Data      |        Type         |
        /// --------------------------------------------------------------------------
        /// | S |  Runspace | CRPID  |  CPID   | name,         | GetCommandMetadata  |
        /// |   |  Pool     |        |         | commandType,  |                     |
        /// |   |           |        |         | module,FQM,   |                     |
        /// |   |           |        |         | argumentList  |                     |
        /// --------------------------------------------------------------------------
        ///
        internal static RemoteDataObject GenerateGetCommandMetadata(ClientRemotePowerShell shell)
        {
            Command getCommand = null;
            foreach (Command c in shell.PowerShell.Commands.Commands)
            {
                if (c.CommandText.Equals("Get-Command", StringComparison.OrdinalIgnoreCase))
                {
                    getCommand = c;
                    break;
                }
            }

            Dbg.Assert(getCommand != null, "Whoever sets PowerShell.IsGetCommandMetadataSpecialPipeline needs to make sure Get-Command is present");

            string[] name = null;
            CommandTypes commandTypes = CommandTypes.Alias | CommandTypes.Cmdlet | CommandTypes.Function | CommandTypes.Filter | CommandTypes.Configuration;
            string[] module = null;
            ModuleSpecification[] fullyQualifiedModule = null;

            object[] argumentList = null;
            foreach (CommandParameter p in getCommand.Parameters)
            {
                if (p.Name.Equals("Name", StringComparison.OrdinalIgnoreCase))
                {
                    name = (string[])LanguagePrimitives.ConvertTo(p.Value, typeof(string[]), CultureInfo.InvariantCulture);
                }
                else if (p.Name.Equals("CommandType", StringComparison.OrdinalIgnoreCase))
                {
                    commandTypes = (CommandTypes)LanguagePrimitives.ConvertTo(p.Value, typeof(CommandTypes), CultureInfo.InvariantCulture);
                }
                else if (p.Name.Equals("Module", StringComparison.OrdinalIgnoreCase))
                {
                    module = (string[])LanguagePrimitives.ConvertTo(p.Value, typeof(string[]), CultureInfo.InvariantCulture);
                }
                else if (p.Name.Equals("FullyQualifiedModule", StringComparison.OrdinalIgnoreCase))
                {
                    fullyQualifiedModule = (ModuleSpecification[])LanguagePrimitives.ConvertTo(p.Value, typeof(ModuleSpecification[]), CultureInfo.InvariantCulture);
                }
                else if (p.Name.Equals("ArgumentList", StringComparison.OrdinalIgnoreCase))
                {
                    argumentList = (object[])LanguagePrimitives.ConvertTo(p.Value, typeof(object[]), CultureInfo.InvariantCulture);
                }
            }

            RunspacePool rsPool = shell.PowerShell.GetRunspaceConnection() as RunspacePool;
            Dbg.Assert(rsPool != null, "Runspacepool cannot be null for a CreatePowerShell request");
            Guid clientRunspacePoolId = rsPool.InstanceId;

            PSObject dataAsPSObject = CreateEmptyPSObject();
            dataAsPSObject.Properties.Add(new PSNoteProperty(RemoteDataNameStrings.DiscoveryName, name));
            dataAsPSObject.Properties.Add(new PSNoteProperty(RemoteDataNameStrings.DiscoveryType, commandTypes));
            dataAsPSObject.Properties.Add(new PSNoteProperty(RemoteDataNameStrings.DiscoveryModule, module));
            dataAsPSObject.Properties.Add(new PSNoteProperty(RemoteDataNameStrings.DiscoveryFullyQualifiedModule, fullyQualifiedModule));
            dataAsPSObject.Properties.Add(new PSNoteProperty(RemoteDataNameStrings.DiscoveryArgumentList, argumentList));

            return RemoteDataObject.CreateFrom(RemotingDestination.Server,
                                               RemotingDataType.GetCommandMetadata,
                                               clientRunspacePoolId,
                                               shell.InstanceId,
                                               dataAsPSObject);
        }

        /// <summary>
        /// This methods generates a Remoting data structure handler message for
        /// creating a PowerShell on the server.
        /// </summary>
        /// <param name="shell">The client remote powershell from which the
        /// create powershell message needs to be generated</param>
        /// <returns>Data structure handler message encoded as RemoteDataObject.</returns>
        /// The message format is as under for this message
        /// -------------------------------------------------------------------------
        /// | D |    TI     |  RPID  |   PID   |     Data      |        Type         |
        /// --------------------------------------------------------------------------
        /// | S |  Runspace | CRPID  |  CPID   | serialized    | CreatePowerShell    |
        /// |   |  Pool     |        |         | powershell,   |                     |
        /// |   |           |        |         | noInput,      |                     |
        /// |   |           |        |         | hostInfo,     |                     |
        /// |   |           |        |         | invocationset |                     |
        /// |   |           |        |         | tings, stream |                     |
        /// |   |           |        |         | options       |                     |
        /// --------------------------------------------------------------------------
        ///
        internal static RemoteDataObject GenerateCreatePowerShell(ClientRemotePowerShell shell)
        {
            PowerShell powerShell = shell.PowerShell;
            PSInvocationSettings settings = shell.Settings;

            PSObject dataAsPSObject = CreateEmptyPSObject();
            Guid clientRunspacePoolId = Guid.Empty;
            HostInfo hostInfo;
            PSNoteProperty hostInfoProperty;

            RunspacePool rsPool = powerShell.GetRunspaceConnection() as RunspacePool;

            Dbg.Assert(rsPool != null, "Runspacepool cannot be null for a CreatePowerShell request");

            clientRunspacePoolId = rsPool.InstanceId;

            dataAsPSObject.Properties.Add(new PSNoteProperty(RemoteDataNameStrings.PowerShell, powerShell.ToPSObjectForRemoting()));
            dataAsPSObject.Properties.Add(new PSNoteProperty(RemoteDataNameStrings.NoInput, shell.NoInput));

            if (settings == null)
            {
                hostInfo = new HostInfo(null);
                hostInfo.UseRunspaceHost = true;

                ApartmentState passedApartmentState = rsPool.ApartmentState;
                dataAsPSObject.Properties.Add(new PSNoteProperty(RemoteDataNameStrings.ApartmentState, passedApartmentState));
                dataAsPSObject.Properties.Add(new PSNoteProperty(RemoteDataNameStrings.RemoteStreamOptions, RemoteStreamOptions.AddInvocationInfo));
                dataAsPSObject.Properties.Add(new PSNoteProperty(RemoteDataNameStrings.AddToHistory, false));
            }
            else
            {
                hostInfo = new HostInfo(settings.Host);
                if (settings.Host == null)
                {
                    hostInfo.UseRunspaceHost = true;
                }

                ApartmentState passedApartmentState = settings.ApartmentState;
                dataAsPSObject.Properties.Add(new PSNoteProperty(RemoteDataNameStrings.ApartmentState, passedApartmentState));
                dataAsPSObject.Properties.Add(new PSNoteProperty(RemoteDataNameStrings.RemoteStreamOptions, settings.RemoteStreamOptions));
                dataAsPSObject.Properties.Add(new PSNoteProperty(RemoteDataNameStrings.AddToHistory, settings.AddToHistory));
            }

            hostInfoProperty = CreateHostInfoProperty(hostInfo);
            dataAsPSObject.Properties.Add(hostInfoProperty);
            dataAsPSObject.Properties.Add(new PSNoteProperty(RemoteDataNameStrings.IsNested, shell.PowerShell.IsNested));
            return RemoteDataObject.CreateFrom(RemotingDestination.Server,
                                               RemotingDataType.CreatePowerShell,
                                               clientRunspacePoolId,
                                               shell.InstanceId,
                                               dataAsPSObject);
        }

        /// <summary>
        /// This method creates a remoting data structure handler message for transporting
        /// application private data from server to client.
        /// </summary>
        /// <param name="clientRunspacePoolId">Id of the client RunspacePool.</param>
        /// <param name="applicationPrivateData">Application private data.</param>
        /// <returns>Data structure handler message encoded as RemoteDataObject.</returns>
        /// The message format is as under for this message
        /// --------------------------------------------------------------------------------------
        /// | D |    TI     |  RPID  |   PID   |   Action   |      Data     |        Type         |
        /// --------------------------------------------------------------------------------------
        /// | C |  Runspace | CRPID  |   -1    |    Data    | appl. private | PSPrimitive         |
        /// |   |    Pool   |        |         |            | data          |           Dictionary|
        /// --------------------------------------------------------------------------------------
        internal static RemoteDataObject GenerateApplicationPrivateData(
                                    Guid clientRunspacePoolId,
                                    PSPrimitiveDictionary applicationPrivateData)
        {
            PSObject dataAsPSObject = CreateEmptyPSObject();

            dataAsPSObject.Properties.Add(new PSNoteProperty(RemoteDataNameStrings.ApplicationPrivateData, applicationPrivateData));

            return RemoteDataObject.CreateFrom(RemotingDestination.Client,
                                               RemotingDataType.ApplicationPrivateData,
                                               clientRunspacePoolId,
                                               Guid.Empty,
                                               dataAsPSObject);
        }

        /// <summary>
        /// This method creates a remoting data structure handler message for transporting a state
        /// information from server to client.
        /// </summary>
        /// <param name="clientRunspacePoolId">Id of the client RunspacePool.</param>
        /// <param name="stateInfo">State information object.</param>
        /// <returns>Data structure handler message encoded as RemoteDataObject.</returns>
        /// The message format is as under for this message
        /// --------------------------------------------------------------------------------------
        /// | D |    TI     |  RPID  |   PID   |   Action   |      Data     |        Type         |
        /// --------------------------------------------------------------------------------------
        /// | C |  Runspace | CRPID  |   -1    |    Data    | RunspacePool  | RunspacePoolState   |
        /// |   |    Pool   |        |         |            | StateInfo     | Info                |
        /// --------------------------------------------------------------------------------------
        internal static RemoteDataObject GenerateRunspacePoolStateInfo(
                                    Guid clientRunspacePoolId,
                                    RunspacePoolStateInfo stateInfo)
        {
            // BUGBUG: This object creation needs to be relooked
            PSObject dataAsPSObject = CreateEmptyPSObject();

            // Add State Property
            PSNoteProperty stateProperty =
                        new PSNoteProperty(RemoteDataNameStrings.RunspaceState,
                            (int)(stateInfo.State));
            dataAsPSObject.Properties.Add(stateProperty);

            // Add Reason property
            if (stateInfo.Reason != null)
            {
                PSNoteProperty exceptionProperty = GetExceptionProperty(
                    exception: stateInfo.Reason,
                    errorId: "RemoteRunspaceStateInfoReason",
                    category: ErrorCategory.NotSpecified);
                dataAsPSObject.Properties.Add(exceptionProperty);
            }

            return RemoteDataObject.CreateFrom(RemotingDestination.Client,
                                               RemotingDataType.RunspacePoolStateInfo,
                                               clientRunspacePoolId,
                                               Guid.Empty,
                                               dataAsPSObject);
        }

        /// <summary>
        /// This method creates a remoting data structure handler message for transporting a PowerShell
        /// event from server to client.
        /// </summary>
        /// <param name="clientRunspacePoolId">Id of the client RunspacePool.</param>
        /// <param name="e">PowerShell event.</param>
        /// <returns>Data structure handler message encoded as RemoteDataObject.</returns>
        /// The message format is as under for this message
        /// --------------------------------------------------------------------------------------
        /// | D |    TI     |  RPID  |   PID   |   Action   |      Data     |        Type         |
        /// --------------------------------------------------------------------------------------
        /// | C |  Runspace | CRPID  |   -1    |    Data    | RunspacePool  | PSEventArgs         |
        /// |   |    Pool   |        |         |            | StateInfo     |                     |
        /// --------------------------------------------------------------------------------------
        internal static RemoteDataObject GeneratePSEventArgs(Guid clientRunspacePoolId, PSEventArgs e)
        {
            PSObject dataAsPSObject = CreateEmptyPSObject();

            dataAsPSObject.Properties.Add(new PSNoteProperty(RemoteDataNameStrings.PSEventArgsEventIdentifier, e.EventIdentifier));
            dataAsPSObject.Properties.Add(new PSNoteProperty(RemoteDataNameStrings.PSEventArgsSourceIdentifier, e.SourceIdentifier));
            dataAsPSObject.Properties.Add(new PSNoteProperty(RemoteDataNameStrings.PSEventArgsTimeGenerated, e.TimeGenerated));
            dataAsPSObject.Properties.Add(new PSNoteProperty(RemoteDataNameStrings.PSEventArgsSender, e.Sender));
            dataAsPSObject.Properties.Add(new PSNoteProperty(RemoteDataNameStrings.PSEventArgsSourceArgs, e.SourceArgs));
            dataAsPSObject.Properties.Add(new PSNoteProperty(RemoteDataNameStrings.PSEventArgsMessageData, e.MessageData));
            dataAsPSObject.Properties.Add(new PSNoteProperty(RemoteDataNameStrings.PSEventArgsComputerName, e.ComputerName));
            dataAsPSObject.Properties.Add(new PSNoteProperty(RemoteDataNameStrings.PSEventArgsRunspaceId, e.RunspaceId));

            return RemoteDataObject.CreateFrom(RemotingDestination.Client,
                                               RemotingDataType.PSEventArgs,
                                               clientRunspacePoolId,
                                               Guid.Empty,
                                               dataAsPSObject);
        }

        /// <summary>
        /// This method creates a remoting data structure handler message to instruct the server to reset
        /// the single runspace on the server.
        /// </summary>
        /// <param name="clientRunspacePoolId"></param>
        /// <param name="callId">Caller Id.</param>
        /// <returns>Data structure handler message encoded as RemoteDataObject.</returns>
        /// The message format is as under for this message
        /// --------------------------------------------------------------------------------------------
        /// | D |    TI     |  RPID  |   PID   |   Action          |      Data     |        Type        |
        /// --------------------------------------------------------------------------------------------
        /// | S |  Runspace | CRPID  |   -1    |  Reset server     |     None      | ResetRunspaceState |
        /// |   |    Pool   |        |         |  runspace state   |               |                    |
        /// ---------------------------------------------------------------------------------------------
        internal static RemoteDataObject GenerateResetRunspaceState(Guid clientRunspacePoolId, long callId)
        {
            PSObject dataAsPSObject = CreateEmptyPSObject();
            dataAsPSObject.Properties.Add(new PSNoteProperty(RemoteDataNameStrings.CallId, callId));

            return RemoteDataObject.CreateFrom(RemotingDestination.Server,
                                               RemotingDataType.ResetRunspaceState,
                                               clientRunspacePoolId,
                                               Guid.Empty,
                                               dataAsPSObject);
        }

        /// <summary>
        /// Returns the PS remoting protocol version associated with the provided.
        /// </summary>
        /// <param name="rsPool">RunspacePool.</param>
        /// <returns>PS remoting protocol version.</returns>
        internal static Version GetPSRemotingProtocolVersion(RunspacePool rsPool)
        {
            return (rsPool != null && rsPool.RemoteRunspacePoolInternal != null) ?
                rsPool.RemoteRunspacePoolInternal.PSRemotingProtocolVersion : null;
        }

        #endregion RunspacePool related

        #region PowerShell related

        /// <summary>
        /// This method creates a remoting data structure handler message for sending a powershell
        /// input data from the client to the server.
        /// </summary>
        /// <param name="data">Input data to send.</param>
        /// <param name="clientRemoteRunspacePoolId">Client runspace pool id.</param>
        /// <param name="clientPowerShellId">Client powershell id.</param>
        /// <returns>Data structure handler message encoded as RemoteDataObject.</returns>
        /// The message format is as under for this message
        /// --------------------------------------------------------------------------------------
        /// | D |    TI     |  RPID  |   PID   |   Action   |      Data     |        Type         |
        /// --------------------------------------------------------------------------------------
        /// | S |PowerShell | CRPID  |   CPID  |    Data    |  input data   |   PowerShellInput   |
        /// |   |           |        |         |            |               |                     |
        /// --------------------------------------------------------------------------------------
        internal static RemoteDataObject GeneratePowerShellInput(object data, Guid clientRemoteRunspacePoolId,
            Guid clientPowerShellId)
        {
            return RemoteDataObject.CreateFrom(RemotingDestination.Server,
                                               RemotingDataType.PowerShellInput,
                                               clientRemoteRunspacePoolId,
                                               clientPowerShellId,
                                               data);
        }

        /// <summary>
        /// This method creates a remoting data structure handler message for signalling
        /// end of input data for powershell.
        /// </summary>
        /// <param name="clientRemoteRunspacePoolId">Client runspace pool id.</param>
        /// <param name="clientPowerShellId">Client powershell id.</param>
        /// <returns>Data structure handler message encoded as RemoteDataObject.</returns>
        /// The message format is as under for this message
        /// --------------------------------------------------------------------------------------
        /// | D |    TI     |  RPID  |   PID   |   Action   |      Data     |        Type         |
        /// --------------------------------------------------------------------------------------
        /// | S |PowerShell | CRPID  |   CPID  |    Data    | bool.         | PowerShellInputEnd  |
        /// |   |           |        |         |            | TrueString    |                     |
        /// --------------------------------------------------------------------------------------
        internal static RemoteDataObject GeneratePowerShellInputEnd(Guid clientRemoteRunspacePoolId,
            Guid clientPowerShellId)
        {
            return RemoteDataObject.CreateFrom(RemotingDestination.Server,
                                               RemotingDataType.PowerShellInputEnd,
                                               clientRemoteRunspacePoolId,
                                               clientPowerShellId,
                                               null);
        }

        /// <summary>
        /// This method creates a remoting data structure handler message for transporting a
        /// powershell output data from server to client.
        /// </summary>
        /// <param name="data">Data to be sent.</param>
        /// <param name="clientPowerShellId">id of client powershell
        /// to which this information need to be delivered</param>
        /// <param name="clientRunspacePoolId">id of client runspacepool
        /// associated with this powershell</param>
        /// <returns>Data structure handler message encoded as RemoteDataObject.</returns>
        /// The message format is as under for this message
        /// --------------------------------------------------------------------------------------
        /// | D |    TI     |  RPID  |   PID   |   Action   |      Data     |        Type         |
        /// --------------------------------------------------------------------------------------
        /// | C |PowerShell |  CRPID |  CPID   |    Data    | data to send  |  PowerShellOutput   |
        /// |   |           |        |         |            |               |                     |
        /// --------------------------------------------------------------------------------------
        internal static RemoteDataObject GeneratePowerShellOutput(PSObject data, Guid clientPowerShellId,
            Guid clientRunspacePoolId)
        {
            return RemoteDataObject.CreateFrom(RemotingDestination.Client,
                                               RemotingDataType.PowerShellOutput,
                                               clientRunspacePoolId,
                                               clientPowerShellId,
                                               data);
        }

        /// <summary>
        /// This method creates a remoting data structure handler message for transporting a
        /// powershell informational message (debug/verbose/warning/progress)from
        /// server to client.
        /// </summary>
        /// <param name="data">Data to be sent.</param>
        /// <param name="clientPowerShellId">id of client powershell
        /// to which this information need to be delivered</param>
        /// <param name="clientRunspacePoolId">id of client runspacepool
        /// associated with this powershell</param>
        /// <param name="dataType">data type of this informational
        /// message</param>
        /// <returns>Data structure handler message encoded as RemoteDataObject.</returns>
        /// The message format is as under for this message
        /// --------------------------------------------------------------------------------------
        /// | D |    TI     |  RPID  |   PID   |   Action   |      Data     |        Type         |
        /// --------------------------------------------------------------------------------------
        /// | C |PowerShell |  CRPID |  CPID   |    Data    | data to send  | DataType - debug,   |
        /// |   |           |        |         |            |               | verbose, warning    |
        /// --------------------------------------------------------------------------------------
        internal static RemoteDataObject GeneratePowerShellInformational(object data,
            Guid clientRunspacePoolId, Guid clientPowerShellId, RemotingDataType dataType)
        {
            return RemoteDataObject.CreateFrom(RemotingDestination.Client,
                                               dataType,
                                               clientRunspacePoolId,
                                               clientPowerShellId,
                                               PSObject.AsPSObject(data));
        }

        /// <summary>
        /// This method creates a remoting data structure handler message for transporting a
        /// powershell progress message from
        /// server to client.
        /// </summary>
        /// <param name="progressRecord">Progress record to send.</param>
        /// <param name="clientPowerShellId">id of client powershell
        /// to which this information need to be delivered</param>
        /// <param name="clientRunspacePoolId">id of client runspacepool
        /// associated with this powershell</param>
        /// <returns>Data structure handler message encoded as RemoteDataObject.</returns>
        /// The message format is as under for this message
        /// --------------------------------------------------------------------------------------
        /// | D |    TI     |  RPID  |   PID   |   Action   |      Data     |        Type         |
        /// --------------------------------------------------------------------------------------
        /// | C |PowerShell |  CRPID |  CPID   |    Data    | progress      | PowerShellProgress  |
        /// |   |           |        |         |            |   message     |                     |
        /// --------------------------------------------------------------------------------------
        internal static RemoteDataObject GeneratePowerShellInformational(ProgressRecord progressRecord,
            Guid clientRunspacePoolId, Guid clientPowerShellId)
        {
            if (progressRecord == null)
            {
                throw PSTraceSource.NewArgumentNullException(nameof(progressRecord));
            }

            return RemoteDataObject.CreateFrom(RemotingDestination.Client,
                                               RemotingDataType.PowerShellProgress,
                                               clientRunspacePoolId,
                                               clientPowerShellId,
                                               progressRecord.ToPSObjectForRemoting());
        }

        /// <summary>
        /// This method creates a remoting data structure handler message for transporting a
        /// powershell information stream message from
        /// server to client.
        /// </summary>
        /// <param name="informationRecord">Information record to send.</param>
        /// <param name="clientPowerShellId">id of client powershell
        /// to which this information need to be delivered</param>
        /// <param name="clientRunspacePoolId">id of client runspacepool
        /// associated with this powershell</param>
        /// <returns>Data structure handler message encoded as RemoteDataObject.</returns>
        /// The message format is as under for this message
        /// -----------------------------------------------------------------------------------------------
        /// | D |    TI     |  RPID  |   PID   |   Action   |      Data     |        Type                 |
        /// -----------------------------------------------------------------------------------------------
        /// | C |PowerShell |  CRPID |  CPID   |    Data    | information   | PowerShellInformationStream |
        /// |   |           |        |         |            |   message     |                             |
        /// -----------------------------------------------------------------------------------------------
        internal static RemoteDataObject GeneratePowerShellInformational(InformationRecord informationRecord,
            Guid clientRunspacePoolId, Guid clientPowerShellId)
        {
            if (informationRecord == null)
            {
                throw PSTraceSource.NewArgumentNullException(nameof(informationRecord));
            }

            return RemoteDataObject.CreateFrom(RemotingDestination.Client,
                                               RemotingDataType.PowerShellInformationStream,
                                               clientRunspacePoolId,
                                               clientPowerShellId,
                                               informationRecord.ToPSObjectForRemoting());
        }

        /// <summary>
        /// This method creates a remoting data structure handler message for transporting a
        /// powershell error record from server to client.
        /// </summary>
        /// <param name="errorRecord">Error record to be sent.</param>
        /// <param name="clientPowerShellId">id of client powershell
        /// to which this information need to be delivered</param>
        /// <param name="clientRunspacePoolId">id of client runspacepool
        /// associated with this powershell</param>
        /// <returns>Data structure handler message encoded as RemoteDataObject.</returns>
        /// The message format is as under for this message
        /// --------------------------------------------------------------------------------------
        /// | D |    TI     |  RPID  |   PID   |   Action   |      Data     |        Type         |
        /// --------------------------------------------------------------------------------------
        /// | C |PowerShell |  CRPID |  CPID   |    Data    | error record  |   PowerShellError   |
        /// |   |           |        |         |            |    to send    |                     |
        /// --------------------------------------------------------------------------------------
        internal static RemoteDataObject GeneratePowerShellError(object errorRecord,
            Guid clientRunspacePoolId, Guid clientPowerShellId)
        {
            return RemoteDataObject.CreateFrom(RemotingDestination.Client,
                                               RemotingDataType.PowerShellErrorRecord,
                                               clientRunspacePoolId,
                                               clientPowerShellId,
                                               PSObject.AsPSObject(errorRecord));
        }

        /// <summary>
        /// This method creates a remoting data structure handler message for transporting a
        /// powershell state information from server to client.
        /// </summary>
        /// <param name="stateInfo">State information object.</param>
        /// <param name="clientPowerShellId">id of client powershell
        /// to which this information need to be delivered</param>
        /// <param name="clientRunspacePoolId">id of client runspacepool
        /// associated with this powershell</param>
        /// <returns>Data structure handler message encoded as RemoteDataObject.</returns>
        /// The message format is as under for this message
        /// --------------------------------------------------------------------------------------
        /// | D |    TI     |  RPID  |   PID   |   Action   |      Data     |        Type         |
        /// --------------------------------------------------------------------------------------
        /// | C |PowerShell |  CRPID |  CPID   |    Data    | PSInvocation  | PowerShellStateInfo |
        /// |   |           |        |         |            | StateInfo     |                     |
        /// --------------------------------------------------------------------------------------
        internal static RemoteDataObject GeneratePowerShellStateInfo(PSInvocationStateInfo stateInfo,
            Guid clientPowerShellId, Guid clientRunspacePoolId)
        {
            // Encode Pipeline StateInfo as PSObject
            PSObject dataAsPSObject = CreateEmptyPSObject();

            // Convert the state to int and add as property
            PSNoteProperty stateProperty = new PSNoteProperty(
                RemoteDataNameStrings.PipelineState, (int)(stateInfo.State));
            dataAsPSObject.Properties.Add(stateProperty);

            // Add exception property
            if (stateInfo.Reason != null)
            {
                PSNoteProperty exceptionProperty = GetExceptionProperty(
                    exception: stateInfo.Reason,
                    errorId: "RemotePSInvocationStateInfoReason",
                    category: ErrorCategory.NotSpecified);
                dataAsPSObject.Properties.Add(exceptionProperty);
            }

            return RemoteDataObject.CreateFrom(RemotingDestination.Client,
                                               RemotingDataType.PowerShellStateInfo,
                                               clientRunspacePoolId,
                                               clientPowerShellId,
                                               dataAsPSObject);
        }

        #endregion PowerShell related

        #region Exception

        /// <summary>
        /// Gets the error record from exception of type IContainsErrorRecord.
        /// </summary>
        /// <param name="exception"></param>
        /// <returns>
        /// ErrorRecord if exception is of type IContainsErrorRecord
        /// Null if exception is not of type IContainsErrorRecord
        /// </returns>
        internal static ErrorRecord GetErrorRecordFromException(Exception exception)
        {
            Dbg.Assert(exception != null, "Caller should validate the data");

            ErrorRecord er = null;
            IContainsErrorRecord cer = exception as IContainsErrorRecord;
            if (cer != null)
            {
                er = cer.ErrorRecord;
                // Exception inside the error record is ParentContainsErrorRecordException which
                // doesn't have stack trace. Replace it with top level exception.
                er = new ErrorRecord(er, exception);
            }

            return er;
        }

        /// <summary>
        /// Gets a Note Property for the exception.
        /// </summary>
        /// <remarks>
        /// If <paramref name="exception"/> is of not type IContainsErrorRecord, a new ErrorRecord is created.
        /// </remarks>
        /// <param name="exception"></param>
        /// <param name="errorId">ErrorId to use if exception is not of type IContainsErrorRecord.</param>
        /// <param name="category">ErrorCategory to use if exception is not of type IContainsErrorRecord.</param>
        /// <returns></returns>
        private static PSNoteProperty GetExceptionProperty(Exception exception, string errorId, ErrorCategory category)
        {
            Dbg.Assert(exception != null, "Caller should validate the data");

            ErrorRecord er = GetErrorRecordFromException(exception) ??
                             new ErrorRecord(exception, errorId, category, null);
            return new PSNoteProperty(RemoteDataNameStrings.ExceptionAsErrorRecord, er);
        }

        #endregion Exception

        #region Session related

        /// <summary>
        /// This method creates a remoting data structure handler message for transporting a session
        /// capability message. Should be used by client.
        /// </summary>
        /// <param name="capability">RemoteSession capability object to encode.</param>
        /// <param name="runspacePoolId"></param>
        /// <returns>Data structure handler message encoded as RemoteDataObject.</returns>
        /// The message format is as under for this message
        /// --------------------------------------------------------------------------------------
        /// | D |    TI     |  RPID  |   PID   |   Action   |      Data     |        Type         |
        /// --------------------------------------------------------------------------------------
        /// | C |  Session  |  RPID  |  Empty  |    Data    |    session    | SessionCapability   |
        /// | / |           |        |         |            |   capability  |                     |
        /// | S |           |        |         |            |               |                     |
        /// --------------------------------------------------------------------------------------
        internal static RemoteDataObject GenerateClientSessionCapability(RemoteSessionCapability capability,
                Guid runspacePoolId)
        {
            PSObject temp = GenerateSessionCapability(capability);
            return RemoteDataObject.CreateFrom(capability.RemotingDestination,
                RemotingDataType.SessionCapability, runspacePoolId, Guid.Empty, temp);
        }

        internal static RemoteDataObject GenerateServerSessionCapability(RemoteSessionCapability capability,
            Guid runspacePoolId)
        {
            PSObject temp = GenerateSessionCapability(capability);
            return RemoteDataObject.CreateFrom(capability.RemotingDestination,
                RemotingDataType.SessionCapability, runspacePoolId, Guid.Empty, temp);
        }

        private static PSObject GenerateSessionCapability(RemoteSessionCapability capability)
        {
            PSObject temp = CreateEmptyPSObject();
            temp.Properties.Add(
                new PSNoteProperty(RemoteDataNameStrings.PS_STARTUP_PROTOCOL_VERSION_NAME, capability.ProtocolVersion));
            temp.Properties.Add(
                new PSNoteProperty(RemoteDataNameStrings.PSVersion, capability.PSVersion));
            temp.Properties.Add(
                new PSNoteProperty(RemoteDataNameStrings.SerializationVersion, capability.SerializationVersion));
            return temp;
        }

        #endregion Session related
    }

    /// <summary>
    /// Converts fields of PSObjects containing remoting messages to C# types.
    /// </summary>
    internal static class RemotingDecoder
    {
        private static T ConvertPropertyValueTo<T>(string propertyName, object propertyValue)
        {
            if (propertyName == null) // comes from internal caller
            {
                throw PSTraceSource.NewArgumentNullException(nameof(propertyName));
            }

            if (typeof(T).IsEnum)
            {
                if (propertyValue is string)
                {
                    try
                    {
                        string stringValue = (string)propertyValue;
                        T value = (T)Enum.Parse(typeof(T), stringValue, true);
                        return value;
                    }
                    catch (ArgumentException)
                    {
                        throw new PSRemotingDataStructureException(
                            RemotingErrorIdStrings.CantCastPropertyToExpectedType,
                            propertyName,
                            typeof(T).FullName,
                            propertyValue.GetType().FullName);
                    }
                }

                try
                {
                    Type underlyingType = Enum.GetUnderlyingType(typeof(T));
                    object underlyingValue = LanguagePrimitives.ConvertTo(propertyValue, underlyingType, CultureInfo.InvariantCulture);
                    T value = (T)underlyingValue;
                    return value;
                }
                catch (InvalidCastException)
                {
                    throw new PSRemotingDataStructureException(
                        RemotingErrorIdStrings.CantCastPropertyToExpectedType,
                        propertyName,
                        typeof(T).FullName,
                        propertyValue.GetType().FullName);
                }
            }
            else if (typeof(T).Equals(typeof(PSObject)))
            {
                if (propertyValue == null)
                {
                    return default(T); // => "return null" for PSObject
                }
                else
                {
                    return (T)(object)PSObject.AsPSObject(propertyValue);
                }
            }
            else if (propertyValue == null)
            {
                if (!typeof(T).IsValueType)
                {
                    return default(T);
                }

                if (typeof(T).IsGenericType && typeof(T).GetGenericTypeDefinition().Equals(typeof(Nullable<>)))
                {
                    return default(T);
                }

                throw new PSRemotingDataStructureException(
                    RemotingErrorIdStrings.CantCastPropertyToExpectedType,
                    propertyName,
                    typeof(T).FullName,
                    propertyValue != null ? propertyValue.GetType().FullName : "null");
            }
            else if (propertyValue is T)
            {
                return (T)(propertyValue);
            }
            else if (propertyValue is PSObject)
            {
                PSObject psObject = (PSObject)propertyValue;
                return ConvertPropertyValueTo<T>(propertyName, psObject.BaseObject);
            }
            else if ((propertyValue is Hashtable) && (typeof(T).Equals(typeof(PSPrimitiveDictionary))))
            {
                // rehydration of PSPrimitiveDictionary might not work when CreateRunspacePool message is received
                // (there is no runspace and so no type table at this point) so try converting manually
                try
                {
                    return (T)(object)(new PSPrimitiveDictionary((Hashtable)propertyValue));
                }
                catch (ArgumentException)
                {
                    throw new PSRemotingDataStructureException(
                        RemotingErrorIdStrings.CantCastPropertyToExpectedType,
                        propertyName,
                        typeof(T).FullName,
                        propertyValue != null ? propertyValue.GetType().FullName : "null");
                }
            }
            else
            {
                throw new PSRemotingDataStructureException(
                    RemotingErrorIdStrings.CantCastPropertyToExpectedType,
                    propertyName,
                    typeof(T).FullName,
                    propertyValue.GetType().FullName);
            }
        }

        private static PSPropertyInfo GetProperty(PSObject psObject, string propertyName)
        {
            if (psObject == null)
            {
                throw PSTraceSource.NewArgumentNullException(nameof(psObject));
            }

            if (propertyName == null)
            {
                throw PSTraceSource.NewArgumentNullException(nameof(propertyName));
            }

            PSPropertyInfo property = psObject.Properties[propertyName];

            if (property == null)
            {
                throw new PSRemotingDataStructureException(RemotingErrorIdStrings.MissingProperty, propertyName);
            }

            return property;
        }

        internal static T GetPropertyValue<T>(PSObject psObject, string propertyName)
        {
            if (psObject == null)
            {
                throw PSTraceSource.NewArgumentNullException(nameof(psObject));
            }

            if (propertyName == null)
            {
                throw PSTraceSource.NewArgumentNullException(nameof(propertyName));
            }

            PSPropertyInfo property = GetProperty(psObject, propertyName);
            object propertyValue = property.Value;
            return ConvertPropertyValueTo<T>(propertyName, propertyValue);
        }

        internal static IEnumerable<T> EnumerateListProperty<T>(PSObject psObject, string propertyName)
        {
            if (psObject == null)
            {
                throw PSTraceSource.NewArgumentNullException(nameof(psObject));
            }

            if (propertyName == null)
            {
                throw PSTraceSource.NewArgumentNullException(nameof(propertyName));
            }

            IEnumerable e = GetPropertyValue<IEnumerable>(psObject, propertyName);
            if (e != null)
            {
                foreach (object o in e)
                {
                    yield return ConvertPropertyValueTo<T>(propertyName, o);
                }
            }
        }

        internal static IEnumerable<KeyValuePair<TKey, TValue>> EnumerateHashtableProperty<TKey, TValue>(PSObject psObject, string propertyName)
        {
            if (psObject == null)
            {
                throw PSTraceSource.NewArgumentNullException(nameof(psObject));
            }

            if (propertyName == null)
            {
                throw PSTraceSource.NewArgumentNullException(nameof(propertyName));
            }

            Hashtable h = GetPropertyValue<Hashtable>(psObject, propertyName);
            if (h != null)
            {
                foreach (DictionaryEntry e in h)
                {
                    TKey key = ConvertPropertyValueTo<TKey>(propertyName, e.Key);
                    TValue value = ConvertPropertyValueTo<TValue>(propertyName, e.Value);
                    yield return new KeyValuePair<TKey, TValue>(key, value);
                }
            }
        }

        /// <summary>
        /// Decode and obtain the RunspacePool state info from the
        /// data object specified.
        /// </summary>
        /// <param name="dataAsPSObject">Data object to decode.</param>
        /// <returns>RunspacePoolStateInfo.</returns>
        internal static RunspacePoolStateInfo GetRunspacePoolStateInfo(PSObject dataAsPSObject)
        {
            if (dataAsPSObject == null)
            {
                throw PSTraceSource.NewArgumentNullException(nameof(dataAsPSObject));
            }

            RunspacePoolState state = GetPropertyValue<RunspacePoolState>(dataAsPSObject, RemoteDataNameStrings.RunspaceState);
            Exception reason = GetExceptionFromStateInfoObject(dataAsPSObject);

            return new RunspacePoolStateInfo(state, reason);
        }

        /// <summary>
        /// Decode and obtain the application private data from the
        /// data object specified.
        /// </summary>
        /// <param name="dataAsPSObject">Data object to decode.</param>
        /// <returns>Application private data.</returns>
        internal static PSPrimitiveDictionary GetApplicationPrivateData(PSObject dataAsPSObject)
        {
            if (dataAsPSObject == null)
            {
                throw PSTraceSource.NewArgumentNullException(nameof(dataAsPSObject));
            }

            return GetPropertyValue<PSPrimitiveDictionary>(dataAsPSObject, RemoteDataNameStrings.ApplicationPrivateData);
        }

        /// <summary>
        /// Gets the public key from the encoded message.
        /// </summary>
        /// <param name="dataAsPSObject">Data object to decode.</param>
        /// <returns>Public key as string.</returns>
        internal static string GetPublicKey(PSObject dataAsPSObject)
        {
            if (dataAsPSObject == null)
            {
                throw PSTraceSource.NewArgumentNullException(nameof(dataAsPSObject));
            }

            return GetPropertyValue<string>(dataAsPSObject, RemoteDataNameStrings.PublicKey);
        }

        /// <summary>
        /// Gets the encrypted session key from the encoded message.
        /// </summary>
        /// <param name="dataAsPSObject">Data object to decode.</param>
        /// <returns>Encrypted session key as string.</returns>
        internal static string GetEncryptedSessionKey(PSObject dataAsPSObject)
        {
            if (dataAsPSObject == null)
            {
                throw PSTraceSource.NewArgumentNullException(nameof(dataAsPSObject));
            }

            return GetPropertyValue<string>(dataAsPSObject, RemoteDataNameStrings.EncryptedSessionKey);
        }

        /// <summary>
        /// Decode and obtain the RunspacePool state info from the
        /// data object specified.
        /// </summary>
        /// <param name="dataAsPSObject">Data object to decode.</param>
        /// <returns>RunspacePoolStateInfo.</returns>
        internal static PSEventArgs GetPSEventArgs(PSObject dataAsPSObject)
        {
            if (dataAsPSObject == null)
            {
                throw PSTraceSource.NewArgumentNullException(nameof(dataAsPSObject));
            }

            int eventIdentifier = GetPropertyValue<int>(dataAsPSObject, RemoteDataNameStrings.PSEventArgsEventIdentifier);
            string sourceIdentifier = GetPropertyValue<string>(dataAsPSObject, RemoteDataNameStrings.PSEventArgsSourceIdentifier);
            object sender = GetPropertyValue<object>(dataAsPSObject, RemoteDataNameStrings.PSEventArgsSender);
            object messageData = GetPropertyValue<object>(dataAsPSObject, RemoteDataNameStrings.PSEventArgsMessageData);
            string computerName = GetPropertyValue<string>(dataAsPSObject, RemoteDataNameStrings.PSEventArgsComputerName);
            Guid runspaceId = GetPropertyValue<Guid>(dataAsPSObject, RemoteDataNameStrings.PSEventArgsRunspaceId);

            var sourceArgs = new List<object>();
            foreach (object argument in RemotingDecoder.EnumerateListProperty<object>(dataAsPSObject, RemoteDataNameStrings.PSEventArgsSourceArgs))
            {
                sourceArgs.Add(argument);
            }

            PSEventArgs eventArgs = new PSEventArgs(
                computerName,
                runspaceId,
                eventIdentifier,
                sourceIdentifier,
                sender,
                sourceArgs.ToArray(),
                messageData == null ? null : PSObject.AsPSObject(messageData));

            eventArgs.TimeGenerated = GetPropertyValue<DateTime>(dataAsPSObject, RemoteDataNameStrings.PSEventArgsTimeGenerated);

            return eventArgs;
        }

        /// <summary>
        /// Decode and obtain the minimum runspaces to create in the
        /// runspace pool from the data object specified.
        /// </summary>
        /// <param name="dataAsPSObject">Data object to decode.</param>
        /// <returns>Minimum runspaces.</returns>
        internal static int GetMinRunspaces(PSObject dataAsPSObject)
        {
            if (dataAsPSObject == null)
            {
                throw PSTraceSource.NewArgumentNullException(nameof(dataAsPSObject));
            }

            return GetPropertyValue<int>(dataAsPSObject, RemoteDataNameStrings.MinRunspaces);
        }

        /// <summary>
        /// Decode and obtain the maximum runspaces to create in the
        /// runspace pool from the data object specified.
        /// </summary>
        /// <param name="dataAsPSObject">Data object to decode.</param>
        /// <returns>Maximum runspaces.</returns>
        internal static int GetMaxRunspaces(PSObject dataAsPSObject)
        {
            if (dataAsPSObject == null)
            {
                throw PSTraceSource.NewArgumentNullException(nameof(dataAsPSObject));
            }

            return GetPropertyValue<int>(dataAsPSObject, RemoteDataNameStrings.MaxRunspaces);
        }

        /// <summary>
        /// Decode and obtain the thread options for the runspaces in the
        /// runspace pool from the data object specified.
        /// </summary>
        /// <param name="dataAsPSObject">Data object to decode.</param>
        /// <returns>Thread options.</returns>
        internal static PSPrimitiveDictionary GetApplicationArguments(PSObject dataAsPSObject)
        {
            if (dataAsPSObject == null)
            {
                throw PSTraceSource.NewArgumentNullException(nameof(dataAsPSObject));
            }

            // rehydration might not work yet (there is no type table before a runspace is created)
            // so try to cast ApplicationArguments to PSPrimitiveDictionary manually
            return GetPropertyValue<PSPrimitiveDictionary>(dataAsPSObject, RemoteDataNameStrings.ApplicationArguments);
        }

        /// <summary>
        /// Generates RunspacePoolInitInfo object from a received PSObject.
        /// </summary>
        /// <param name="dataAsPSObject">Data object to decode.</param>
        /// <returns>RunspacePoolInitInfo generated.</returns>
        internal static RunspacePoolInitInfo GetRunspacePoolInitInfo(PSObject dataAsPSObject)
        {
            if (dataAsPSObject == null)
            {
                throw PSTraceSource.NewArgumentNullException(nameof(dataAsPSObject));
            }

            int maxRS = GetPropertyValue<int>(dataAsPSObject, RemoteDataNameStrings.MaxRunspaces);
            int minRS = GetPropertyValue<int>(dataAsPSObject, RemoteDataNameStrings.MinRunspaces);

            return new RunspacePoolInitInfo(minRS, maxRS);
        }

        /// <summary>
        /// Decode and obtain the thread options for the runspaces in the
        /// runspace pool from the data object specified.
        /// </summary>
        /// <param name="dataAsPSObject">Data object to decode.</param>
        /// <returns>Thread options.</returns>
        internal static PSThreadOptions GetThreadOptions(PSObject dataAsPSObject)
        {
            if (dataAsPSObject == null)
            {
                throw PSTraceSource.NewArgumentNullException(nameof(dataAsPSObject));
            }

            return GetPropertyValue<PSThreadOptions>(dataAsPSObject, RemoteDataNameStrings.ThreadOptions);
        }

        /// <summary>
        /// Decode and obtain the host info for the host
        /// associated with the runspace pool.
        /// </summary>
        /// <param name="dataAsPSObject">DataAsPSObject object to decode.</param>
        /// <returns>Host information.</returns>
        internal static HostInfo GetHostInfo(PSObject dataAsPSObject)
        {
            if (dataAsPSObject == null)
            {
                throw PSTraceSource.NewArgumentNullException(nameof(dataAsPSObject));
            }

            PSObject propertyValue = GetPropertyValue<PSObject>(dataAsPSObject, RemoteDataNameStrings.HostInfo);
            return RemoteHostEncoder.DecodeObject(propertyValue, typeof(HostInfo)) as HostInfo;
        }

        /// <summary>
        /// Gets the exception if any from the serialized state info object.
        /// </summary>
        /// <param name="stateInfo"></param>
        /// <returns></returns>
        private static Exception GetExceptionFromStateInfoObject(PSObject stateInfo)
        {
            // Check if exception is encoded as errorrecord
            PSPropertyInfo property = stateInfo.Properties[RemoteDataNameStrings.ExceptionAsErrorRecord];
            if (property != null && property.Value != null)
            {
                return GetExceptionFromSerializedErrorRecord(property.Value);
            }
            // Exception is not present and return null.
            return null;
        }

        /// <summary>
        /// Get the exception from serialized error record.
        /// </summary>
        /// <param name="serializedErrorRecord"></param>
        /// <returns></returns>
        internal static Exception GetExceptionFromSerializedErrorRecord(object serializedErrorRecord)
        {
            ErrorRecord er = ErrorRecord.FromPSObjectForRemoting(PSObject.AsPSObject(serializedErrorRecord));

            if (er == null)
            {
                throw new PSRemotingDataStructureException(RemotingErrorIdStrings.DecodingErrorForErrorRecord);
            }
            else
            {
                return er.Exception;
            }
        }

        /// <summary>
        /// Gets the output from the message.
        /// </summary>
        /// <param name="data">Object to decode.</param>
        /// <returns>Output object.</returns>
        /// <remarks>the current implementation does nothing,
        /// however this method is there in place as the
        /// packaging of output data may change in the future</remarks>
        internal static object GetPowerShellOutput(object data)
        {
            return data;
        }

        /// <summary>
        /// Gets the PSInvocationStateInfo from the data.
        /// </summary>
        /// <param name="data">Object to decode.</param>
        /// <returns>PSInvocationInfo.</returns>
        internal static PSInvocationStateInfo GetPowerShellStateInfo(object data)
        {
            if (data is not PSObject dataAsPSObject)
            {
                throw new PSRemotingDataStructureException(
                    RemotingErrorIdStrings.DecodingErrorForPowerShellStateInfo);
            }

            PSInvocationState state = GetPropertyValue<PSInvocationState>(dataAsPSObject, RemoteDataNameStrings.PipelineState);
            Exception reason = GetExceptionFromStateInfoObject(dataAsPSObject);
            return new PSInvocationStateInfo(state, reason);
        }

        /// <summary>
        /// Gets the ErrorRecord from the message.
        /// </summary>
        /// <param name="data">Data to decode.</param>
        /// <returns>Error record.</returns>
        internal static ErrorRecord GetPowerShellError(object data)
        {
            if (data == null)
            {
                throw PSTraceSource.NewArgumentNullException(nameof(data));
            }

            PSObject dataAsPSObject = data as PSObject;

            ErrorRecord errorRecord = ErrorRecord.FromPSObjectForRemoting(dataAsPSObject);

            return errorRecord;
        }

        /// <summary>
        /// Gets the WarningRecord from the message.
        /// </summary>
        internal static WarningRecord GetPowerShellWarning(object data)
        {
            if (data == null)
            {
                throw PSTraceSource.NewArgumentNullException(nameof(data));
            }

            return new WarningRecord((PSObject)data);
        }

        /// <summary>
        /// Gets the VerboseRecord from the message.
        /// </summary>
        internal static VerboseRecord GetPowerShellVerbose(object data)
        {
            if (data == null)
            {
                throw PSTraceSource.NewArgumentNullException(nameof(data));
            }

            return new VerboseRecord((PSObject)data);
        }

        /// <summary>
        /// Gets the DebugRecord from the message.
        /// </summary>
        internal static DebugRecord GetPowerShellDebug(object data)
        {
            if (data == null)
            {
                throw PSTraceSource.NewArgumentNullException(nameof(data));
            }

            return new DebugRecord((PSObject)data);
        }

        /// <summary>
        /// Gets the ProgressRecord from the message.
        /// </summary>
        internal static ProgressRecord GetPowerShellProgress(object data)
        {
            PSObject dataAsPSObject = PSObject.AsPSObject(data);
            if (dataAsPSObject == null)
            {
                throw new PSRemotingDataStructureException(RemotingErrorIdStrings.CantCastRemotingDataToPSObject, data.GetType().FullName);
            }

            return ProgressRecord.FromPSObjectForRemoting(dataAsPSObject);
        }

        /// <summary>
        /// Gets the InformationRecord from the message.
        /// </summary>
        internal static InformationRecord GetPowerShellInformation(object data)
        {
            PSObject dataAsPSObject = PSObject.AsPSObject(data);
            if (dataAsPSObject == null)
            {
                throw new PSRemotingDataStructureException(RemotingErrorIdStrings.CantCastRemotingDataToPSObject, data.GetType().FullName);
            }

            return InformationRecord.FromPSObjectForRemoting(dataAsPSObject);
        }

        /// <summary>
        /// Gets the PowerShell object from the specified data.
        /// </summary>
        /// <param name="data">Data to decode.</param>
        /// <returns>Deserialized PowerShell object.</returns>
        internal static PowerShell GetPowerShell(object data)
        {
            PSObject dataAsPSObject = PSObject.AsPSObject(data);
            if (dataAsPSObject == null)
            {
                throw new PSRemotingDataStructureException(RemotingErrorIdStrings.CantCastRemotingDataToPSObject, data.GetType().FullName);
            }

            PSObject powerShellAsPSObject = GetPropertyValue<PSObject>(dataAsPSObject, RemoteDataNameStrings.PowerShell);
            return PowerShell.FromPSObjectForRemoting(powerShellAsPSObject);
        }

        /// <summary>
        /// Gets the PowerShell object from the specified data.
        /// </summary>
        /// <param name="data">Data to decode.</param>
        /// <returns>Deserialized PowerShell object.</returns>
        internal static PowerShell GetCommandDiscoveryPipeline(object data)
        {
            PSObject dataAsPSObject = PSObject.AsPSObject(data);
            if (dataAsPSObject == null)
            {
                throw new PSRemotingDataStructureException(RemotingErrorIdStrings.CantCastRemotingDataToPSObject, data.GetType().FullName);
            }

            CommandTypes commandType = GetPropertyValue<CommandTypes>(dataAsPSObject, RemoteDataNameStrings.DiscoveryType);

            string[] name;
            if (GetPropertyValue<PSObject>(dataAsPSObject, RemoteDataNameStrings.DiscoveryName) != null)
            {
                IEnumerable<string> tmp = EnumerateListProperty<string>(dataAsPSObject, RemoteDataNameStrings.DiscoveryName);
                name = new List<string>(tmp).ToArray();
            }
            else
            {
                name = new string[] { "*" };
            }

            string[] module;
            if (GetPropertyValue<PSObject>(dataAsPSObject, RemoteDataNameStrings.DiscoveryModule) != null)
            {
                IEnumerable<string> tmp = EnumerateListProperty<string>(dataAsPSObject, RemoteDataNameStrings.DiscoveryModule);
                module = new List<string>(tmp).ToArray();
            }
            else
            {
                module = new string[] { string.Empty };
            }

            ModuleSpecification[] fullyQualifiedName = null;
            if (DeserializingTypeConverter.GetPropertyValue<PSObject>(dataAsPSObject,
                                                                      RemoteDataNameStrings.DiscoveryFullyQualifiedModule,
                                                                      DeserializingTypeConverter.RehydrationFlags.NullValueOk | DeserializingTypeConverter.RehydrationFlags.MissingPropertyOk) != null)
            {
                IEnumerable<ModuleSpecification> tmp = EnumerateListProperty<ModuleSpecification>(dataAsPSObject, RemoteDataNameStrings.DiscoveryFullyQualifiedModule);
                fullyQualifiedName = new List<ModuleSpecification>(tmp).ToArray();
            }

            object[] argumentList;
            if (GetPropertyValue<PSObject>(dataAsPSObject, RemoteDataNameStrings.DiscoveryArgumentList) != null)
            {
                IEnumerable<object> tmp = EnumerateListProperty<object>(dataAsPSObject, RemoteDataNameStrings.DiscoveryArgumentList);
                argumentList = new List<object>(tmp).ToArray();
            }
            else
            {
                argumentList = null;
            }

            PowerShell powerShell = PowerShell.Create();
            powerShell.AddCommand("Get-Command");
            powerShell.AddParameter("Name", name);
            powerShell.AddParameter("CommandType", commandType);
            if (fullyQualifiedName != null)
            {
                powerShell.AddParameter("FullyQualifiedModule", fullyQualifiedName);
            }
            else
            {
                powerShell.AddParameter("Module", module);
            }

            powerShell.AddParameter("ArgumentList", argumentList);
            return powerShell;
        }

        /// <summary>
        /// Gets the NoInput setting from the specified data.
        /// </summary>
        /// <param name="data">Data to decode.</param>
        /// <returns><see langword="true"/> if there is no pipeline input; <see langword="false"/> otherwise.</returns>
        internal static bool GetNoInput(object data)
        {
            PSObject dataAsPSObject = PSObject.AsPSObject(data);

            if (dataAsPSObject == null)
            {
                throw new PSRemotingDataStructureException(RemotingErrorIdStrings.CantCastRemotingDataToPSObject, data.GetType().FullName);
            }

            return GetPropertyValue<bool>(dataAsPSObject, RemoteDataNameStrings.NoInput);
        }

        /// <summary>
        /// Gets the AddToHistory setting from the specified data.
        /// </summary>
        /// <param name="data">Data to decode.</param>
        /// <returns><see langword="true"/> if there is addToHistory data; <see langword="false"/> otherwise.</returns>
        internal static bool GetAddToHistory(object data)
        {
            PSObject dataAsPSObject = PSObject.AsPSObject(data);

            if (dataAsPSObject == null)
            {
                throw new PSRemotingDataStructureException(RemotingErrorIdStrings.CantCastRemotingDataToPSObject, data.GetType().FullName);
            }

            return GetPropertyValue<bool>(dataAsPSObject, RemoteDataNameStrings.AddToHistory);
        }

        /// <summary>
        /// Gets the IsNested setting from the specified data.
        /// </summary>
        /// <param name="data">Data to decode.</param>
        /// <returns><see langword="true"/> if there is IsNested data; <see langword="false"/> otherwise.</returns>
        internal static bool GetIsNested(object data)
        {
            PSObject dataAsPSObject = PSObject.AsPSObject(data);

            if (dataAsPSObject == null)
            {
                throw new PSRemotingDataStructureException(RemotingErrorIdStrings.CantCastRemotingDataToPSObject, data.GetType().FullName);
            }

            return GetPropertyValue<bool>(dataAsPSObject, RemoteDataNameStrings.IsNested);
        }

        /// <summary>
        /// Gets the invocation settings information from the message.
        /// </summary>
        /// <param name="data"></param>
        /// <returns></returns>
        internal static ApartmentState GetApartmentState(object data)
        {
            PSObject dataAsPSObject = PSObject.AsPSObject(data);
            return GetPropertyValue<ApartmentState>(dataAsPSObject, RemoteDataNameStrings.ApartmentState);
        }

        /// <summary>
        /// Gets the stream options from the message.
        /// </summary>
        /// <param name="data"></param>
        /// <returns></returns>
        internal static RemoteStreamOptions GetRemoteStreamOptions(object data)
        {
            PSObject dataAsPSObject = PSObject.AsPSObject(data);
            return GetPropertyValue<RemoteStreamOptions>(dataAsPSObject, RemoteDataNameStrings.RemoteStreamOptions);
        }

        /// <summary>
        /// Decodes a RemoteSessionCapability object.
        /// </summary>
        /// <param name="data">Data to decode.</param>
        /// <returns>RemoteSessionCapability object.</returns>
        internal static RemoteSessionCapability GetSessionCapability(object data)
        {
            if (data is not PSObject dataAsPSObject)
            {
                throw new PSRemotingDataStructureException(
                    RemotingErrorIdStrings.CantCastRemotingDataToPSObject, data.GetType().FullName);
            }

            Version protocolVersion = GetPropertyValue<Version>(dataAsPSObject, RemoteDataNameStrings.PS_STARTUP_PROTOCOL_VERSION_NAME);
            Version psVersion = GetPropertyValue<Version>(dataAsPSObject, RemoteDataNameStrings.PSVersion);
            Version serializationVersion = GetPropertyValue<Version>(dataAsPSObject,
                RemoteDataNameStrings.SerializationVersion);

            RemoteSessionCapability result = new RemoteSessionCapability(
                RemotingDestination.InvalidDestination,
                protocolVersion, psVersion, serializationVersion);

            return result;
        }

        /// <summary>
        /// Checks if the server supports batch invocation.
        /// </summary>
        /// <param name="runspace">Runspace instance.</param>
        /// <returns>True if batch invocation is supported, false if not.</returns>
        internal static bool ServerSupportsBatchInvocation(Runspace runspace)
        {
            if (runspace == null || runspace.RunspaceStateInfo.State == RunspaceState.BeforeOpen)
            {
                return false;
            }

            return (runspace.GetRemoteProtocolVersion() >= RemotingConstants.ProtocolVersion_2_2);
        }
    }
}