import type { Page } from 'playwright-core';
/** Represents a captured JS dialog event. */
export interface DialogEvent {
    id: string;
    type: 'alert' | 'confirm' | 'prompt' | 'beforeunload';
    message: string;
    defaultValue: string;
    timestamp: number;
    handled: boolean;
    response?: 'accepted' | 'dismissed';
}
/** Console message captured by the supervisor. */
export interface ConsoleEntry {
    type: string;
    text: string;
    timestamp: number;
}
export type DialogPolicy = 'must_respond' | 'auto_dismiss' | 'auto_accept';
export interface CdpSupervisorOptions {
    dialogPolicy: DialogPolicy;
    dialogTimeoutSeconds: number;
    maxConsoleEntries: number;
}
/**
 * CDP Supervisor — persistent event listener for browser pages.
 *
 * Monitors Dialog events, console output, and frame navigation.
 * Aligned with hermes-agent's `CDPSupervisor` pattern but using
 * Playwright's high-level event API instead of raw CDP WebSocket.
 */
export declare class CdpSupervisor {
    private readonly options;
    private dialogQueue;
    private consoleBuffer;
    private attachedPages;
    private dialogCounter;
    private pendingDialog;
    constructor(options?: Partial<CdpSupervisorOptions>);
    /** Attach the supervisor to a page to begin monitoring. */
    attach(page: Page): void;
    /** Get all pending (unhandled) dialogs. */
    getPendingDialogs(): DialogEvent[];
    /** Get all captured dialog events (including handled). */
    getAllDialogs(): DialogEvent[];
    /** Get recent console entries. */
    getConsoleEntries(limit?: number): ConsoleEntry[];
    /** Handle a pending dialog by id or the most recent one. */
    handleDialog(action: 'accept' | 'dismiss', options?: {
        dialogId?: string;
        promptText?: string;
    }): Promise<DialogEvent | undefined>;
    /** Clear all dialog history. */
    clearDialogs(): void;
    /** Clear console buffer. */
    clearConsole(): void;
    private _onDialog;
    private _onConsole;
}