import type { OptionalBoolean } from "type-tls";
export interface CopyMemberOptions {
    allOwnProps?: OptionalBoolean;
    depth?: number | null | undefined;
    copyFun?: OptionalBoolean;
}
/**
 * 拷贝完成的回调函数
 */
export declare type CompleteCB<V> = (copy: V) => void;
/**
 * 成员的深拷贝方法
 * @param member : any  改选；被拷贝的成员
 * @param key ?:any     可选；成员 member 对应的 key
 * @param host ?:any | null | undefined   可选；成员 member 所属的宿主对象；默认值：传给 copier 的 value ；当值为 null | undefined 会使用传给 copier 的 value 作为 host
 * @param options?:CopyMemberOptions
 */
export declare type CopyMember<T = any, K = any, H = any> = (member: T, completeCB?: CompleteCB<T> | null | undefined, key?: K, host?: H | null | undefined, options?: CopyMemberOptions) => T | undefined;
export interface CopierOptions<Host> {
    allOwnProps: OptionalBoolean;
    key: any;
    host: Host;
    type: string;
    depth: number;
    copyFun: boolean;
}
export declare type Copier<T = any, Host = any> = (this: T, value: T, copyMember: CopyMember, options: CopierOptions<Host>) => T;
export interface Copyable {
    getCopy: Copier<this>;
}
export declare function isCopyable(target: any): target is Copyable;