/**
 * A request-promise-native compatible HTTP client built on the global fetch.
 *
 * Keeps the option object and error shape used by the legacy `request`
 * ecosystem so callers of HttpClient/RestClient see no interface change:
 * - resolves with the response body (or the full response with
 *   `resolveWithFullResponse`)
 * - rejects with an error carrying `.name` (`StatusCodeError`/`RequestError`),
 *   `.statusCode`, `.response` and `.request`
 * - supports `url`, `method`, `headers`, `body`, `json`, `qs`, `form`,
 *   `formData`, `simple`, `resolveWithFullResponse` and `timeout`
 */
type RequestClientParams = {
    url?: string;
    method?: string;
    headers?: Record<string, unknown>;
    body?: unknown;
    json?: unknown;
    qs?: Record<string, unknown> | string;
    form?: Record<string, unknown>;
    formData?: Record<string, unknown>;
    simple?: boolean;
    resolveWithFullResponse?: boolean;
    timeout?: number;
};
/**
 * Create a request-promise-native compatible callable client.
 * @param [logger] when given, verbose request/response logs are emitted
 */
export declare const createRequestClient: (logger?: {
    verbose: (message: string, ...args: unknown[]) => void;
} | null) => (params?: RequestClientParams) => Promise<unknown>;
export {};