import { AxiosResponse } from 'axios';
export declare class RequestBatcher<ReqParam, Res> {
    private readonly batchingDelay;
    private req_pendingLastLookResponse;
    private res_pendingLastLookResponse;
    constructor(batchingDelay?: number);
    private pendingLastLookResponsePromise;
    makeBatchedRequest(requestParameters: ReqParam[], makeRequest: (params: ReqParam[]) => Promise<AxiosResponse<Res[]>>, extractRequestId: (params: ReqParam) => string, extractResponseId: (params: Res) => string): Promise<AxiosResponse<Res[], any>>;
    private batchedPostMetaTxResponses;
}