export interface VolcengineCredentials {
    accessKeyId: string;
    secretAccessKey: string;
    region: string;
}
export interface SignedRequestOptions {
    method: string;
    host: string;
    path: string;
    query: Record<string, string>;
    headers?: Record<string, string>;
    body?: string;
    service: string;
}
export declare function signRequest(credentials: VolcengineCredentials, options: SignedRequestOptions): Record<string, string>;
export declare function buildUrl(host: string, path: string, query: Record<string, string>): string;