import { OpConfig } from '../interfaces';
import { DataEntity, DataArrayInput } from '@terascope/utils';
import FetcherCore from './core/fetcher-core';
/**
 * The simpliest varient of "Fetcher"
 */
export default abstract class Fetcher<T = OpConfig> extends FetcherCore<T> {
    /**
     * A method called by {@link Fetcher#handle}
     * @returns a DataEntity compatible array
    */
    abstract fetch(sliceRequest?: any): Promise<DataArrayInput>;
    handle(sliceRequest?: any): Promise<DataEntity[]>;
}