export type WxSignatureStatus = "PENDING" | "READY" | "TIMEOUT" | "FAIL";
export declare class QueryWxSignatureStatus {
    private error;
    private status;
    private pendingStatusPromise;
    private timoutStatusPromise;
    private readyStatusPromise;
    constructor(timeout: number);
    get statusPromise(): Promise<WxSignatureStatus>;
}