import { QyOpRunner } from "./QyOpRunner.ts";
export declare class QyBinWriter extends QyOpRunner {
    filePath: any;
    totalSavedSize: number;
    fileHandle: any;
    constructor(options?: any, filePath?: any, callOpNameList?: any, castOpNameList?: any);
    save(changeId: any, data?: any, needPromise?: any): any;
    truncate(): any;
    switch(newFilePath: any): any;
    getBinData(dataQueue: any[], changeId?: undefined): any;
    _op_start(filePath?: any): Promise<this>;
    _op_stop(): Promise<void>;
    _op_save(changeId: any, dataQueue: any): Promise<void> | undefined;
    _op_truncate(): Promise<void>;
    _op_switch(newFilePath: any): Promise<void>;
}