import type { DOMElement } from '../dom.js';
type ViewportEntry = {
    /**
     * Whether the element is currently within the terminal viewport
     */
    isVisible: boolean;
};
/**
 * Hook to detect if a component is within the terminal viewport.
 *
 * Returns a callback ref and a viewport entry object.
 * Attach the ref to the component you want to track.
 */
export declare function useTerminalViewport(): [
    ref: (element: DOMElement | null) => void,
    entry: ViewportEntry
];
export {};
//# sourceMappingURL=use-terminal-viewport.d.ts.map