export declare class FailedReason {
    private 'error_code'?;
    private 'error_msg'?;
    constructor();
    withErrorCode(errorCode: string): FailedReason;
    set errorCode(errorCode: string | undefined);
    get errorCode(): string | undefined;
    withErrorMsg(errorMsg: string): FailedReason;
    set errorMsg(errorMsg: string | undefined);
    get errorMsg(): string | undefined;
}
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