import { Hook } from '../hooks/hook.js';
import { Request } from '../transport/request.js';
import { HttpResponse, RequestHandler } from '../types.js';
/**
 * Request handler that invokes custom hooks before requests and after responses.
 * Enables request/response interception and custom error handling.
 */
export declare class HookHandler implements RequestHandler {
    private readonly hook;
    /** Next handler in the chain */
    next?: RequestHandler;
    constructor(hook: Hook);
    /**
     * Handles a standard HTTP request with hook invocation.
     * Calls beforeRequest hook, processes the request, and calls afterResponse or onError hooks.
     * @template T - The expected response data type
     * @param request - The HTTP request to process
     * @returns A promise that resolves to the HTTP response
     * @throws Error if no next handler is set, or if error handling fails
     */
    handle<T>(request: Request): Promise<HttpResponse<T>>;
    /**
     * Handles a streaming HTTP request with hook invocation.
     * Calls beforeRequest hook and afterResponse/onError hooks for each chunk.
     * @template T - The expected response data type for each chunk
     * @param request - The HTTP request to process
     * @returns An async generator that yields HTTP responses
     * @throws Error if no next handler is set, or if error handling fails
     */
    stream<T>(request: Request): AsyncGenerator<HttpResponse<T>>;
    /**
     * Extracts hook parameters from the request configuration.
     * @template T - The response data type
     * @param request - The HTTP request
     * @returns A map of hook parameter names to values
     */
    private getHookParams;
}
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