/**
 * Shared utility for making AWS SigV4 signed HTTP requests
 */
export interface SignedRequestOptions {
    method: string;
    hostname: string;
    path: string;
    body?: string;
    headers?: Record<string, string>;
    region?: string;
}
export interface SignedResponse {
    statusCode: number;
    body: string;
    headers: Record<string, string>;
}
export declare function signedRequest(options: SignedRequestOptions): Promise<SignedResponse>;
/**
 * Helper to create base URL from environment
 */
export declare function createUrlFromEnvironment(baseUrl: string, urlPrefix: string, environment: string): string;