export function normal_name(d: any): any;
export function is_supported_order(order: any): boolean;
export function has(obj: any, key: any): any;
export function property(key: any): (obj: any) => any;
export function is_undefined(obj: any): boolean;
export function extend(target: any, source: any): any;
export default moduleExports;
declare namespace moduleExports {
    export { normal_name };
    export { is_supported_order };
    export { has };
    export { property };
    export { is_undefined };
    export function extend(target: any, source: any): any;
}