import { IVisibilityCapture } from '../../domain/interfaces/IVisibilityCapture';
import { LogEntry } from '../../domain/types';
export declare class VisibilityCapture implements IVisibilityCapture {
    private callback;
    private isActive;
    private lastVisibility;
    start(callback: (entry: LogEntry) => void): void;
    stop(): void;
    private setupListeners;
    private removeListeners;
    private handleVisibilityChange;
    private handleFocus;
    private handleBlur;
    private handleBeforeUnload;
}
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