export declare class SignOptions {
    path: string;
    query: string;
    secretId?: string;
    secretKey?: string;
    method: string;
    body: string | Buffer;
    headers: any;
    timestamp: number;
    signedHeaders: Array<string>;
    isMySql?: boolean;
    constructor(options: any);
}
export declare function sign(options: SignOptions): string;
