16 duplicated lines in:
  - client/src/common/utils/is.ts (6:35, 53%)
  - protocol/src/common/utils/is.ts (7:36, 84%)

12 duplicated lines in:
  - client/src/common/proposed.diagnostic.ts (42:58, 2%)
  - protocol/src/common/proposed.diagnostic.ts (166:232, 14%)

6 duplicated lines in:
  - client/src/common/proposed.diagnostic.ts (31:38, 1%)
  - protocol/src/common/proposed.diagnostic.ts (123:153, 7%)