import type { Browser as pptrBrowser, Viewport } from 'puppeteer-core';
import type { Tabs } from '../tabs/tabs';
import type { EnvInfo, UserAgentInfo } from '../types';
/**
 * Abstract base class for browser implementations
 * Contains common functionality shared between Browser and UIBrowser
 */
export declare abstract class BaseBrowser<TTabs extends Tabs> {
    pptrBrowser?: pptrBrowser;
    _tabs?: TTabs;
    _envInfo?: EnvInfo;
    wsEndpoint: string;
    defaultViewport: Viewport;
    isIntentionalDisconnect: boolean;
    reconnectAttempts: number;
    userAgentInfo?: UserAgentInfo;
    constructor();
    private get tabs();
    getTabsSnapshot(): import("../types").TabsState;
    subscribeTabChange(callback: () => void): () => void;
    getActiveTab(): import("../tabs").Tab | null;
    createTab(): Promise<string>;
    activeTab(tabId: string): Promise<boolean>;
    closeTab(tabId: string): Promise<boolean>;
    destroyAllTabs(): Promise<void>;
    /**
     * Set the user agent for the browser and future tabs
     */
    setUserAgent(options: UserAgentInfo): void;
    /**
     * Get the current user agent
     */
    getUserAgent(): Promise<UserAgentInfo>;
    get envInfo(): any;
    getBrowserMetaInfo(): Promise<{
        envInfo: EnvInfo;
        userAgent: string;
        viewport: Viewport;
        wsEndpoint: string;
    }>;
    disconnect(): Promise<void>;
    setDefaultViewport(viewport?: Viewport | null): Viewport;
    setupAutoReconnect(): void;
    protected abstract performReconnect(): Promise<void>;
    protected attemptReconnect(): Promise<void>;
}
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