export declare type ExecFunction = (this: any, target: any) => () => boolean;
export declare type Space = Record<string | number | symbol, ExecFunction>;
export declare const isEqual: (target: any, isDepth?: boolean) => ExecFunction;
export declare const isNull: ExecFunction;
export declare const isUndefined: ExecFunction;
export declare const isNumber: ExecFunction;
export declare const isString: ExecFunction;
export declare const isBoolean: ExecFunction;
export declare const isObject: ExecFunction;
export declare const isSymbol: ExecFunction;
export declare const isFunction: ExecFunction;
export declare const isDate: ExecFunction;
export declare const isRegExp: ExecFunction;
export declare const isPromise: ExecFunction;
export declare const isArray: ExecFunction;
export declare const isSet: ExecFunction;
export declare const isMap: ExecFunction;
/**
 shape({
    name:isString,
    age:isNumber,
    child:shape({
      name:isString,
      sex:isBoolean
    })
 })
 * @param space
 * @returns
 */
export declare const shape: (space: Space) => ExecFunction;
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