import { Observable } from "rxjs/Observable";
import "rxjs/add/operator/take";
import { ID } from "@void-zero/types";
export interface DataLoaderConfig {
    name: string;
    dataType?: any;
    load?: any;
    loadMultiple?: any;
    hasLocal?: boolean;
    hasSingleLocal?: boolean;
    hasMultipleLocal?: boolean;
}
export interface DataLoaderOptions {
    id?: ID;
    params?: any;
    from?: number;
    to?: number;
    willCache?: boolean;
    fromCache?: boolean;
}
export declare class DataLoader<T, O, R = DataLoaderOptions> {
    readonly dataType: any;
    readonly hasLocal: boolean;
    hasSingleLocal?: boolean;
    hasMultipleLocal?: boolean;
    private _localStore;
    private _maxCacheLife;
    private _itemMap;
    private _itemMultipleMap;
    private _allItems;
    private _load;
    private _loadMultiple;
    private _loading;
    constructor(config: DataLoaderConfig);
    fetchSingle(options: O): Observable<T>;
    fetchMultiple(options: R): Observable<T[]>;
    static reduceOptionsToID(options: any, prefix?: string): ID;
}