import { SortDir } from '../meta/basetype';
import { PageData, QueryParams, QuerySort, RestQuery } from './restquery';
export declare class LocalQuery {
    private query;
    constructor(query: RestQuery);
    applyable(): boolean;
    applySort(datas: Object[]): Object[];
    applyFilter(datas: Object[]): Object[];
    applyQuery(datas: Object[]): PageData<any>;
    static localApplyable(query: RestQuery): boolean;
    static localApplyQuery(datas: Object[], query: RestQuery): PageData<any>;
}
export declare class LocalDataset {
    private list;
    readonly datas: Object[];
    constructor(list: Object[]);
    sort(sort: string): this;
    sort(sort: QuerySort[]): this;
    filter(filter: QueryParams): this;
    slice(from: number, count: number): this;
    query(query: RestQuery): PageData<Object>;
}
export declare function calcFilter(obj: Object, pn: string, pv: any): boolean;
export declare function compareObjectByProp(a: Object, b: Object, propName: string, dir: SortDir): number;
export declare function filterList(datas: Object[], filter: QueryParams): Object[];
export declare function sortList(datas: Object[], sorts: QuerySort[]): Object[];
export declare function queryList(datas: Object[], query: RestQuery): PageData<Object>;