import type { WebContents } from 'electron';
import type { WebContentsWrapper, WrapperOrWebContents } from '@zubridge/types';
/**
 * Type guard to check if an object is an Electron WebContents
 */
export declare const isWebContents: (wrapperOrWebContents: WrapperOrWebContents) => wrapperOrWebContents is WebContents;
/**
 * Type guard to check if an object is a WebContentsWrapper
 */
export declare const isWrapper: (wrapperOrWebContents: WrapperOrWebContents) => wrapperOrWebContents is WebContentsWrapper;
/**
 * Get the WebContents object from either a WebContentsWrapper or WebContents
 */
export declare const getWebContents: (wrapperOrWebContents: WrapperOrWebContents) => WebContents | undefined;
/**
 * Check if a WebContents is destroyed
 */
export declare const isDestroyed: (webContents: WebContents) => boolean;
/**
 * Safely send a message to a WebContents
 */
export declare const safelySendToWindow: (webContents: WebContents, channel: string, data: unknown) => boolean;
/**
 * Set up cleanup when WebContents is destroyed
 */
export declare const setupDestroyListener: (webContents: WebContents, cleanup: () => void) => void;
/**
 * Creates a tracker for WebContents objects using WeakMap for automatic garbage collection
 * and a Set to keep track of active IDs
 */
export interface WebContentsTracker {
    track(webContents: WebContents): boolean;
    untrack(webContents: WebContents): void;
    untrackById(id: number): void;
    isTracked(webContents: WebContents): boolean;
    hasId(id: number): boolean;
    getActiveIds(): number[];
    getActiveWebContents(): WebContents[];
    cleanup(): void;
}
/**
 * Creates a WebContents tracker that uses WeakMap for automatic garbage collection
 * but maintains a set of active IDs for tracking purposes
 */
export declare const createWebContentsTracker: () => WebContentsTracker;
/**
 * Prepare WebContents objects from an array of wrappers or WebContents
 */
export declare const prepareWebContents: (wrappers?: WrapperOrWebContents[]) => WebContents[];