import { Ddan } from '../../typings';
declare function cloneClass<T>(source: T): T;
declare const _default: {
    copy: (source: any, options?: {
        fields?: string[] | undefined;
        camel?: boolean | undefined;
        pure?: boolean | undefined;
    } & Ddan.IIgnoreParams) => any;
    clone: (source: any) => any;
    merge: (target: any, source: any, options?: Ddan.IIgnoreParams) => {};
    isEmpty: (source: any) => boolean;
    parseValue: (source: any, { number, boolean }?: {
        number?: boolean | undefined;
        boolean?: boolean | undefined;
    }) => any;
    cloneClass: typeof cloneClass;
    combine: (target: any, source: any, options?: Ddan.IIgnoreParams) => any;
    combines: (objs: any[], options?: Ddan.IIgnoreParams) => {};
    observe: (obj: any, key: any, watchFun: any, owner: any, deep?: boolean) => void;
    find: (obj: any, cb: (k: string, v: any) => boolean) => [string, unknown] | undefined;
};
export default _default;