export interface txWriter {
    timestamp: number;
    scriptName: string;
    setScriptName: (scriptName: string) => void;
    push: (msg: string, obj: any) => void;
    ensureDirectoryExistence: (filePath: string) => void;
}
export declare class TxWriterImpl implements txWriter {
    timestamp: number;
    scriptName: string;
    constructor(scriptName: string);
    setScriptName(scriptName: string): void;
    ensureDirectoryExistence(filePath: string): void;
    push(msg: string, obj: any): void;
}