/**
 * One Escape arbiter per document. Overlay primitives register their live
 * surfaces here so only the visually topmost layer handles an Escape press.
 */
/** Register a live overlay surface and remove it when the surface closes. */
export declare function registerDismissableLayer(document: Document, element: () => HTMLElement | null, onEscape: (event: KeyboardEvent) => void): () => void;
//# sourceMappingURL=dismissable-layer.d.ts.map