import type { IHyperCore, HyperTransport, HttpClientOptions, HyperPlugin, InternalRequest, HttpResponse, RequestInterface, StreamResponse, RequestBodyData } from "@hyperttp/types";
/**
 * @ru Основной класс HTTP-клиента Hyperttp. Управляет транспортом, плагинами, повторными попытками и пулом запросов.
 * @en Core Hyperttp HTTP client class. Manages transport, plugins, retries, and request pooling.
 */
export declare class HyperCore implements IHyperCore {
    config: HttpClientOptions;
    private readonly transportManager;
    private readonly transportReady;
    private readonly defaultHeaders;
    private readonly pluginCtx;
    private readonly pipelines;
    private readonly requestBuilder;
    private readonly requestPool;
    private semaphore;
    private hasRequestPlugins;
    private hasResponseDataPlugins;
    private hasResponsePlugins;
    private hasErrorPlugins;
    private readonly _cachedMaxRetries;
    private readonly _cachedRetryOpts;
    constructor(config?: HttpClientOptions, transport?: HyperTransport);
    /**
     * @ru Возвращает имя текущего транспорта.
     * @en Returns the name of the current transport.
     * @returns Transport constructor name.
     */
    getTransportName(): Promise<string>;
    /**
     * @ru Основной метод отправки запроса через транспорт с поддержкой плагинов и повторных попыток.
     * @en Core request dispatch method through transport with plugin and retry support.
     * @param req - The internal request to dispatch.
     * @returns Promise resolving to the HTTP response.
     */
    dispatch<T = unknown>(req: InternalRequest): Promise<HttpResponse<T>>;
    /**
     * @ru Регистрирует плагин с сортировкой по приоритету. Пропускает отключённые плагины.
     * @en Registers a plugin sorted by priority. Skips disabled plugins.
     * @param plugin - The plugin instance to register.
     * @returns This instance for chaining.
     */
    use(plugin: HyperPlugin): this;
    /**
     * @ru Выполняет GET-запрос. Использует быстрый путь для простых строковых URL без плагинов/повторов.
     * @en Performs a GET request. Uses a fast path for bare string URLs without plugins/retries.
     * @param req - URL string or RequestInterface.
     * @param signal - Optional abort signal.
     * @returns Promise resolving to the HTTP response.
     */
    get<T = unknown>(req: RequestInterface | string, signal?: AbortSignal): Promise<HttpResponse<T>>;
    private fastGet;
    /**
     * @ru Выполняет POST-запрос.
     * @en Performs a POST request.
     * @param req - URL string or RequestInterface.
     * @param body - Optional request body.
     * @param signal - Optional abort signal.
     * @returns Promise resolving to the HTTP response.
     */
    post<T = unknown>(req: RequestInterface | string, body?: RequestBodyData, signal?: AbortSignal): Promise<HttpResponse<T>>;
    /**
     * @ru Выполняет PUT-запрос.
     * @en Performs a PUT request.
     * @param req - URL string or RequestInterface.
     * @param body - Optional request body.
     * @param signal - Optional abort signal.
     * @returns Promise resolving to the HTTP response.
     */
    put<T = unknown>(req: RequestInterface | string, body?: RequestBodyData, signal?: AbortSignal): Promise<HttpResponse<T>>;
    /**
     * @ru Выполняет PATCH-запрос.
     * @en Performs a PATCH request.
     * @param req - URL string or RequestInterface.
     * @param body - Optional request body.
     * @param signal - Optional abort signal.
     * @returns Promise resolving to the HTTP response.
     */
    patch<T = unknown>(req: RequestInterface | string, body?: RequestBodyData, signal?: AbortSignal): Promise<HttpResponse<T>>;
    /**
     * @ru Выполняет DELETE-запрос.
     * @en Performs a DELETE request.
     * @param req - URL string or RequestInterface.
     * @param signal - Optional abort signal.
     * @returns Promise resolving to the HTTP response.
     */
    delete<T = unknown>(req: RequestInterface | string, signal?: AbortSignal): Promise<HttpResponse<T>>;
    /**
     * @ru Выполняет OPTIONS-запрос.
     * @en Performs an OPTIONS request.
     * @param req - URL string or RequestInterface.
     * @param body - Optional request body.
     * @param signal - Optional abort signal.
     * @returns Promise resolving to the HTTP response.
     */
    options<T = unknown>(req: RequestInterface | string, body?: RequestBodyData, signal?: AbortSignal): Promise<HttpResponse<T>>;
    /**
     * @ru Выполняет HEAD-запрос.
     * @en Performs a HEAD request.
     * @param req - URL string or RequestInterface.
     * @param signal - Optional abort signal.
     * @returns Promise resolving to the HTTP response with null body.
     */
    head(req: RequestInterface | string, signal?: AbortSignal): Promise<HttpResponse<null>>;
    /**
     * @ru Выполняет GET-запрос и возвращает стриминг-ответ.
     * @en Performs a GET request and returns a streaming response.
     * @param req - URL string or RequestInterface.
     * @param signal - Optional abort signal.
     * @returns Promise resolving to a StreamResponse.
     */
    stream(req: RequestInterface | string, signal?: AbortSignal): Promise<StreamResponse<unknown>>;
    /**
     * @ru Выполняет POST-запрос и возвращает стриминг-ответ.
     * @en Performs a POST request and returns a streaming response.
     * @param req - URL string or RequestInterface.
     * @param body - Optional request body.
     * @param signal - Optional abort signal.
     * @returns Promise resolving to a StreamResponse.
     */
    postStream<T = unknown>(req: RequestInterface | string, body?: RequestBodyData, signal?: AbortSignal): Promise<StreamResponse<T>>;
    /**
     * @ru Создаёт новый экземпляр HyperCore с расширенной/переопределённой конфигурацией.
     * @en Creates a new HyperCore instance with extended/overridden configuration.
     * @param options - Partial configuration overrides.
     * @returns A new HyperCore instance.
     */
    extend(options: Partial<HttpClientOptions>): HyperCore;
    /**
     * @ru Алиас для extend().
     * @en Alias for extend().
     * @param options - Partial configuration overrides.
     * @returns A new HyperCore instance.
     */
    create(options: Partial<HttpClientOptions>): HyperCore;
    /**
     * @ru Завершает работу клиента и освобождает ресурсы транспорта.
     * @en Shuts down the client and releases transport resources.
     * @param graceful - If true, waits for active requests to complete.
     * @returns Promise that resolves when shutdown is complete.
     */
    destroy(graceful?: boolean): Promise<void>;
    /**
     * @ru Выполняет GET-запрос и возвращает тело ответа, разобранное как JSON.
     * @en Performs a GET request and returns the response body parsed as JSON.
     * @param req - URL string or RequestInterface.
     * @param signal - Optional abort signal.
     * @returns Promise resolving to the parsed JSON value.
     */
    json<T = unknown>(req: RequestInterface | string, signal?: AbortSignal): Promise<T>;
    /**
     * @ru Выполняет GET-запрос и возвращает тело ответа как строку.
     * @en Performs a GET request and returns the response body as text.
     * @param req - URL string or RequestInterface.
     * @param signal - Optional abort signal.
     * @returns Promise resolving to the response text.
     */
    text(req: RequestInterface | string, signal?: AbortSignal): Promise<string>;
    /**
     * @ru Выполняет GET-запрос и сбрасывает тело ответа (без сохранения).
     * @en Performs a GET request and discards the response body.
     * @param req - URL string or RequestInterface.
     * @param signal - Optional abort signal.
     * @returns Promise that resolves when the body is discarded.
     */
    dump(req: RequestInterface | string, signal?: AbortSignal): Promise<void>;
    private handleDispatchError;
    private acquireReq;
    private recycleRequest;
    private shortcut;
}
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