/** HTTP client for TestChimp MCP proxy APIs. */
export declare const DEFAULT_BACKEND = "https://featureservice.testchimp.io";
export declare function getBackendUrl(): string;
export declare function requireApiKey(): string;
export declare function postMcp(path: string, body: unknown): Promise<string>;
export type PostMcpFn = (path: string, body: unknown) => Promise<string>;