import events from 'node:events';
import { WebDriverProxy, PROTOCOLS } from '@appium/base-driver';
import type { HTTPMethod, HTTPBody } from '@appium/types';
import type { ADB } from 'appium-adb';
import type { Request, Response } from 'express';
import { SubProcess, exec } from 'teen_process';
import { type SessionCapabilities } from './commands/session.js';
import { CHROMEDRIVER_EVENTS, CHROMEDRIVER_STATES } from './constants.js';
import { ChromedriverStorageClient } from './storage-client/storage-client.js';
import type { ChromedriverOpts } from './types.js';
export type ChromedriverState = (typeof CHROMEDRIVER_STATES)[keyof typeof CHROMEDRIVER_STATES];
type ChromedriverEventMap = {
    [CHROMEDRIVER_EVENTS.ERROR]: [Error];
    [CHROMEDRIVER_EVENTS.CHANGED]: [{
        state: ChromedriverState;
    }];
};
export declare class Chromedriver extends events.EventEmitter<ChromedriverEventMap> {
    static readonly EVENT_ERROR: "chromedriver_error";
    static readonly EVENT_CHANGED: "stateChanged";
    static readonly STATE_STOPPED: "stopped";
    static readonly STATE_STARTING: "starting";
    static readonly STATE_ONLINE: "online";
    static readonly STATE_STOPPING: "stopping";
    static readonly STATE_RESTARTING: "restarting";
    readonly proxyPort: number;
    readonly adb?: ADB;
    readonly cmdArgs?: string[];
    proc: SubProcess | null;
    readonly useSystemExecutable: boolean;
    chromedriver?: string;
    readonly executableDir: string;
    readonly mappingPath?: string;
    bundleId?: string;
    executableVerified: boolean;
    state: string;
    _execFunc: typeof exec;
    jwproxy: WebDriverProxy;
    readonly isCustomExecutableDir: boolean;
    readonly verbose?: boolean;
    readonly logPath?: string;
    readonly disableBuildCheck: boolean;
    readonly storageClient: ChromedriverStorageClient | null;
    readonly details?: ChromedriverOpts['details'];
    capabilities: SessionCapabilities;
    _desiredProtocol: keyof typeof PROTOCOLS | null;
    _driverVersion: string | null;
    _onlineStatus: Record<string, any> | null;
    private readonly _log;
    private readonly proxyHost;
    private buildChromedriverArgs;
    private getDriversMapping;
    private getChromedrivers;
    private updateDriversMapping;
    private getCompatibleChromedriver;
    private initChromedriverPath;
    private getChromeVersion;
    private syncProtocol;
    private waitForOnline;
    private getStatus;
    private killAll;
    private changeState;
    private startSession;
    constructor(args?: ChromedriverOpts);
    get log(): any;
    get driverVersion(): string | null;
    /**
     * Starts a new Chromedriver session with the given capabilities.
     *
     * @param caps - Capabilities passed to Chromedriver session creation.
     * @param emitStartingState - Whether to emit the `starting` state transition.
     * @returns Session capabilities returned by Chromedriver.
     */
    start(caps: SessionCapabilities, emitStartingState?: boolean): Promise<SessionCapabilities>;
    /**
     * Gets active Chromedriver session id if the driver is online.
     *
     * @returns The session id or `null` when driver is not online.
     */
    sessionId(): string | null;
    /**
     * Restarts current Chromedriver session with previously stored capabilities.
     *
     * @returns Session capabilities returned by the restarted session.
     */
    restart(): Promise<SessionCapabilities>;
    /**
     * Stops the current Chromedriver session and underlying subprocess.
     *
     * @param emitStates - Whether to emit stopping/stopped state transitions.
     */
    stop(emitStates?: boolean): Promise<void>;
    /**
     * Sends a direct command to Chromedriver through the JSONWP/W3C proxy.
     *
     * @param url - Chromedriver endpoint path.
     * @param method - HTTP method used for the command.
     * @param body - Optional request payload.
     * @returns Command response payload.
     */
    sendCommand(url: string, method: HTTPMethod, body?: HTTPBody): Promise<HTTPBody>;
    /**
     * Proxies an incoming Express request/response pair to Chromedriver.
     *
     * @param req - Incoming request object.
     * @param res - Outgoing response object.
     */
    proxyReq(req: Request, res: Response): Promise<void>;
    /**
     * Checks whether the active webview connection is currently responsive.
     *
     * @returns `true` if `/url` command succeeds, otherwise `false`.
     */
    hasWorkingWebview(): Promise<boolean>;
    private prepareCapabilitiesForSessionStart;
    private attachChromedriverProcessListeners;
    private launchChromedriverProcess;
    private formatChromeVersionMismatchHint;
    private handleChromedriverStartFailure;
}
export {};
//# sourceMappingURL=chromedriver.d.ts.map