/**
 * HTTP client for CortexDB API
 *
 * Handles all HTTP requests with automatic error handling,
 * timeout management, and status code mapping to specific exceptions.
 */
/**
 * HTTP client for making requests to CortexDB API
 */
export declare class HTTPClient {
    private baseUrl;
    private apiKey?;
    private timeout;
    /**
     * Create a new HTTP client
     *
     * @param baseUrl - Base URL of the CortexDB gateway
     * @param apiKey - Optional API key for authentication
     * @param timeout - Request timeout in milliseconds (default: 1800000 for large file uploads)
     */
    constructor(baseUrl: string, apiKey?: string, timeout?: number);
    /**
     * Make a GET request
     *
     * @param path - API endpoint path
     * @returns Response data
     */
    get<T>(path: string): Promise<T>;
    /**
     * Make a POST request
     *
     * @param path - API endpoint path
     * @param body - Request body
     * @returns Response data
     */
    post<T>(path: string, body?: any): Promise<T>;
    /**
     * Make a PUT request
     *
     * @param path - API endpoint path
     * @param body - Request body
     * @returns Response data
     */
    put<T>(path: string, body?: any): Promise<T>;
    /**
     * Make a PATCH request
     *
     * @param path - API endpoint path
     * @param body - Request body
     * @returns Response data
     */
    patch<T>(path: string, body?: any): Promise<T>;
    /**
     * Make a DELETE request
     *
     * @param path - API endpoint path
     * @returns Response data
     */
    delete<T>(path: string): Promise<T>;
    /**
     * Internal method to make HTTP requests
     *
     * @param method - HTTP method
     * @param path - API endpoint path
     * @param body - Optional request body
     * @returns Response data
     * @throws {CortexDBError} Various error types based on HTTP status codes
     */
    private request;
}
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