Function checkGrammarMappedType

test/fixtures/snapshot/typescript.js:80821–80826

(node)

            }
        }
        function checkGrammarMappedType(node) {
            var _a;
            if ((_a = node.members) === null || _a === void 0 ? void 0 : _a.length) {
                return grammarErrorOnNode(node.members[0], ts.Diagnostics.A_mapped_type_may_not_declare_properties_or_methods);
            }
        }
        function checkThisType(node) {
            getTypeFromThisTypeNode(node);
        }