import { DataEntity } from '@terascope/utils';
import { OpConfig } from '../interfaces';
import ProcessorCore from './core/processor-core';
/**
 * A variation of "Processor" that can handle a batch of data at a time.
 */
export default abstract class BatchProcessor<T = OpConfig> extends ProcessorCore<T> {
    /**
     * A method called by {@link BatchProcessor#handle}
     * @returns an array of DataEntities
    */
    abstract onBatch(batch: DataEntity[]): Promise<DataEntity[]>;
    handle(input: DataEntity[]): Promise<DataEntity[]>;
}