Function parsePropertyOrMethodSignature

test/fixtures/snapshot/typescript.js:33663–33686

(pos, hasJSDoc, modifiers)

            return withJSDoc(finishNode(node, pos), hasJSDoc);
        }
        function parsePropertyOrMethodSignature(pos, hasJSDoc, modifiers) {
            var name = parsePropertyName();
            var questionToken = parseOptionalToken(57 /* SyntaxKind.QuestionToken */);
            var node;
            if (token() === 20 /* SyntaxKind.OpenParenToken */ || token() === 29 /* SyntaxKind.LessThanToken */) {
                // Method signatures don't exist in expression contexts.  So they have neither
                // [Yield] nor [Await]
                var typeParameters = parseTypeParameters();
                var parameters = parseParameters(4 /* SignatureFlags.Type */);
                var type = parseReturnType(58 /* SyntaxKind.ColonToken */, /*isType*/ true);
                node = factory.createMethodSignature(modifiers, name, questionToken, typeParameters, parameters, type);
            }
            else {
                var type = parseTypeAnnotation();
                node = factory.createPropertySignature(modifiers, name, questionToken, type);
                // Although type literal properties cannot not have initializers, we attempt
                // to parse an initializer so we can report in the checker that an interface
                // property or type literal property cannot have an initializer.
                if (token() === 63 /* SyntaxKind.EqualsToken */)
                    node.initializer = parseInitializer();
            }
            parseTypeMemberSemicolon();
            return withJSDoc(finishNode(node, pos), hasJSDoc);
        }
        function isTypeMemberStart() {
            // Return true if we have the start of a signature member
            if (token() === 20 /* SyntaxKind.OpenParenToken */ ||