/**
 * useResttyVisibility — auto-pause rendering when offscreen.
 *
 * Uses IntersectionObserver + document.visibilitychange to pause GPU
 * rendering when the terminal is not visible (saves GPU frames).
 *
 * @example
 * ```tsx
 * const containerRef = useRef<HTMLDivElement>(null);
 * useResttyVisibility(containerRef);
 * ```
 *
 * @module Terminal/restty/useResttyVisibility
 */
import { type RefObject } from 'react';
/**
 * Options for the visibility hook.
 */
export interface IUseResttyVisibilityOptions {
    /** Pause when the browser tab is hidden (default: true). */
    pauseOnTabHidden?: boolean;
    /** Pause when the element leaves the viewport (default: true). */
    pauseOnOffscreen?: boolean;
}
/**
 * Auto-pause the restty renderer when the terminal is not visible.
 *
 * @param containerRef - Ref to the terminal container element.
 * @param options - Visibility detection options.
 */
export declare function useResttyVisibility(containerRef: RefObject<HTMLElement | null>, options?: IUseResttyVisibilityOptions): void;
//# sourceMappingURL=useResttyVisibility.d.ts.map