import { PipeTransform } from '@angular/core';
import { HelperService } from '../Services/Helper.Service';
export declare class AggrPipe implements PipeTransform {
    private helper;
    constructor(helper: HelperService);
    transform(value: Array<any>, args: string): any;
    distinctCount(array: Array<any>): any;
    min(array: Array<any>): any;
    max(array: Array<any>): any;
    sum(array: Array<any>): any;
    avg(array: Array<any>): any;
    percent(array: Array<any>): any;
    product(array: Array<any>): any;
    range(array: Array<any>): any;
    midrange(array: Array<any>): any;
    median(array: Array<any>): any;
    variance(array: Array<any>): any;
    standardDeviation(array: Array<any>): any;
    meanAbsoluteDeviation(array: Array<any>): any;
}