tests/cases/conformance/parser/ecmascript5/IndexMemberDeclarations/parserIndexMemberDeclaration6.ts(2,4): error TS1145: Modifiers not permitted on index signature members. ==== tests/cases/conformance/parser/ecmascript5/IndexMemberDeclarations/parserIndexMemberDeclaration6.ts (1 errors) ==== class C { static [x: string]: string; ~~~~~~ !!! error TS1145: Modifiers not permitted on index signature members. }