Function updateMappedTypeNode

test/fixtures/snapshot/typescript.js:23881–23890

(node, readonlyToken, typeParameter, nameType, questionToken, type, members)

        }
        // @api
        function updateMappedTypeNode(node, readonlyToken, typeParameter, nameType, questionToken, type, members) {
            return node.readonlyToken !== readonlyToken
                || node.typeParameter !== typeParameter
                || node.nameType !== nameType
                || node.questionToken !== questionToken
                || node.type !== type
                || node.members !== members
                ? update(createMappedTypeNode(readonlyToken, typeParameter, nameType, questionToken, type, members), node)
                : node;
        }
        // @api
        function createLiteralTypeNode(literal) {
            var node = createBaseNode(196 /* SyntaxKind.LiteralType */);