tests/cases/conformance/parser/ecmascript5/IndexSignatures/parserIndexSignature1.ts(2,4): 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.
}