import { PipeTransform } from '@angular/core';
import { Column } from '../models/column';
import { ValueField } from '../models/valuefield';
import { Group } from '../models/group';
export declare class SortPipe implements PipeTransform {
    transformObj(array: Array<any>, args: string): Array<any>;
    transformGroup(array: Array<Group>, args: string): Array<Group>;
    transform(array: Array<Column>, args: string): Array<Column>;
    transformDate(array: Array<Date>, arg: string): Array<Date>;
    transformString(array: Array<string>, arg: string): Array<string>;
    transformValues(array: Array<ValueField>, args: string): Array<ValueField>;
    transformfields(array: any, args: any): Array<any>;
    obLen(obj: any): number;
    obIx(obj: any, ix: any): any;
    keySort(a: any, b: any, d: any): number;
}