import { IRequestOptions } from './request-options.interface';
export declare class DataQueryService {
    filterAndSliceData(data: any[], query: any, options: IRequestOptions): any[];
    sortData(data: any[], sort: any): any[];
    filterData(data: any[], query: any): any[];
    sliceData(data: any[], options: IRequestOptions): any[];
    findInKey(keys: string[], element: any, val: any): boolean;
    findIn(key: any, element: any, val: any): boolean;
    findRegex(key: any, element: any, val: any): boolean;
    findExists(key: any, element: any, val: any): boolean;
    findEquals(key: any, element: any, val: any): boolean;
}