Function parseIndexSignatureDeclaration

test/fixtures/snapshot/typescript.js:33656–33662

(pos, hasJSDoc, decorators, modifiers)

            return token() === 58 /* SyntaxKind.ColonToken */ || token() === 27 /* SyntaxKind.CommaToken */ || token() === 23 /* SyntaxKind.CloseBracketToken */;
        }
        function parseIndexSignatureDeclaration(pos, hasJSDoc, decorators, modifiers) {
            var parameters = parseBracketedList(16 /* ParsingContext.Parameters */, function () { return parseParameter(/*inOuterAwaitContext*/ false); }, 22 /* SyntaxKind.OpenBracketToken */, 23 /* SyntaxKind.CloseBracketToken */);
            var type = parseTypeAnnotation();
            parseTypeMemberSemicolon();
            var node = factory.createIndexSignature(decorators, modifiers, parameters, type);
            return withJSDoc(finishNode(node, pos), hasJSDoc);
        }
        function parsePropertyOrMethodSignature(pos, hasJSDoc, modifiers) {
            var name = parsePropertyName();
            var questionToken = parseOptionalToken(57 /* SyntaxKind.QuestionToken */);