import type { CDPSession, Page } from "playwright";
import { type FrameSubscriber, type QualityPresetConfig, type ScreencastConfig, type ScreencastFrame } from "./types.js";

export declare class ScreencastManager {
    private config;
    
    private currentPage;
    
    private currentSession;
    
    private isRunning;
    
    private readonly subscribers;
    
    private lastFrame;
    
    private differ;
    
    private tileMode;
    
    private frameSeq;
    
    private pipeline;
    
    private latestEvent;
    
    private draining;
    
    private lastProcessStartedAt;
    
    private readonly frameIntervalMs;
    
    private seedCaptureInFlight;
    
    private lastDeviceWidth;
    private lastDeviceHeight;
    
    private lastGeometryWarnAt;
    constructor(config?: ScreencastConfig);
    private enqueue;
    
    subscribe(fn: FrameSubscriber): () => void;
    
    start(page: Page): Promise<void>;
    
    private handleScreencastFrame;
    
    private drainPendingFrames;
    
    private ackFrame;
    
    private processScreencastFrame;
    
    stop(page: Page): Promise<void>;
    
    stopAll(): Promise<void>;
    
    capture(page: Page): Promise<ScreencastFrame | undefined>;
    
    getLastFrame(): ScreencastFrame | undefined;
    
    getCurrentCdpSession(): CDPSession | undefined;
    
    restartAfterNavigation(page: Page): Promise<void>;
    
    updateQuality(preset: QualityPresetConfig): Promise<boolean>;
    
    forceCaptureAndPush(page: Page): Promise<void>;
    
    private doForceCaptureAndPush;
    
    dispose(): Promise<void>;
}