import type { CDPEvent, CDPRequest } from "./types";
import type { Browser } from "../types";
type OnEventMessageFn = (cdpEventMessage: CDPEvent) => unknown;
export declare class CDPConnection {
    onEventMessage: OnEventMessageFn | null;
    private readonly _wsConnection;
    private constructor();
    /** @description Creates CDPConnection without establishing it */
    static create(browser: Browser): Promise<CDPConnection>;
    close(): void;
    private _onMessage;
    /** @description Performs high-level CDP request with retries and timeouts */
    request<T = void>(method: CDPRequest["method"], { params, sessionId }?: Omit<CDPRequest, "id" | "method">): Promise<T>;
}
export {};