tests/cases/conformance/parser/ecmascript5/IndexSignatures/parserIndexSignature1.ts(2,7): error TS1017: An index signature cannot have a rest parameter.


==== tests/cases/conformance/parser/ecmascript5/IndexSignatures/parserIndexSignature1.ts (1 errors) ====
    interface I {
      [...a]
          ~
!!! error TS1017: An index signature cannot have a rest parameter.
    }