import { PipeTransform } from '@angular/core';
export interface FilterParam {
    field: string;
    value: string | FilterParam[];
}
export declare class WfilterPipe implements PipeTransform {
    transform(values: any[], filter: FilterParam[] | string | number): any;
    private _checkSimpleType;
    private _checkComplexType;
    private _checkValue;
    private _parseValue;
    private _existDot;
    private _existFieldValue;
    private _replaceSpecialChars;
}
/**
 * function checkTypeIsObject(v: any): any {
    return typeof v === 'object' && v !== null;
   }
 */