/**
 * Browser Tool
 *
 * Playwright-based browser automation for MAMA
 * Migrated from Puppeteer for better stability and multi-browser support
 */
export interface BrowserToolConfig {
    /** Headless mode (default: true) */
    headless?: boolean;
    /** Default viewport width */
    viewportWidth?: number;
    /** Default viewport height */
    viewportHeight?: number;
    /** Screenshot output directory */
    screenshotDir?: string;
    /** Browser type: chromium, firefox, webkit (default: chromium) */
    browserType?: 'chromium' | 'firefox' | 'webkit';
}
export declare class BrowserTool {
    private config;
    private browser;
    private context;
    private page;
    constructor(config?: BrowserToolConfig);
    /**
     * Launch browser if not already running
     */
    launch(): Promise<void>;
    /**
     * Close browser
     */
    close(): Promise<void>;
    /**
     * Ensure browser is running
     */
    private ensureBrowser;
    /**
     * Navigate to URL
     */
    navigate(url: string): Promise<{
        success: boolean;
        title: string;
        url: string;
    }>;
    /**
     * Take screenshot
     */
    screenshot(filename?: string): Promise<{
        success: boolean;
        path: string;
    }>;
    /**
     * Take full page screenshot
     */
    screenshotFullPage(filename?: string): Promise<{
        success: boolean;
        path: string;
    }>;
    /**
     * Click element by selector
     * Playwright auto-waits for element to be actionable
     */
    click(selector: string): Promise<{
        success: boolean;
    }>;
    /**
     * Type text into element
     * Playwright auto-waits for element to be ready
     */
    type(selector: string, text: string): Promise<{
        success: boolean;
    }>;
    /**
     * Wait for selector
     */
    waitFor(selector: string, timeout?: number): Promise<{
        success: boolean;
    }>;
    /**
     * Get page content (HTML)
     */
    getContent(): Promise<{
        success: boolean;
        html: string;
    }>;
    /**
     * Get page text content
     */
    getText(): Promise<{
        success: boolean;
        text: string;
    }>;
    /**
     * Evaluate JavaScript in page
     */
    evaluate(script: string): Promise<{
        success: boolean;
        result: unknown;
    }>;
    /**
     * Get element text by selector
     */
    getElementText(selector: string): Promise<{
        success: boolean;
        text: string | null;
    }>;
    /**
     * Get all elements matching selector
     */
    queryAll(selector: string): Promise<{
        success: boolean;
        count: number;
        texts: string[];
    }>;
    /**
     * Scroll page
     */
    scroll(direction: 'up' | 'down' | 'top' | 'bottom', amount?: number): Promise<{
        success: boolean;
    }>;
    /**
     * Press keyboard key
     */
    press(key: string): Promise<{
        success: boolean;
    }>;
    /**
     * Go back
     */
    goBack(): Promise<{
        success: boolean;
    }>;
    /**
     * Go forward
     */
    goForward(): Promise<{
        success: boolean;
    }>;
    /**
     * Reload page
     */
    reload(): Promise<{
        success: boolean;
    }>;
    /**
     * Get current URL
     */
    getUrl(): string | null;
    /**
     * Check if browser is running
     */
    isRunning(): boolean;
    /**
     * Take a PDF of the page (Chromium only)
     */
    pdf(filename?: string): Promise<{
        success: boolean;
        path: string;
    }>;
}
export declare function getBrowserTool(config?: BrowserToolConfig): BrowserTool;
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