/** A ref-like document target accepted by {@link useDocumentVisibility}. @public */
export type DocumentVisibilityRef = {
    readonly current: Document | null;
};
/** A document, ref-like target, lazy target, or an empty target. @public */
export type DocumentVisibilityTarget = Document | DocumentVisibilityRef | (() => Document | null | undefined) | null | undefined;
/** The visibility values exposed by the browser (plus the legacy prerender value). @public */
export type VisibilityState = DocumentVisibilityState | 'prerender';
/** Options for {@link useDocumentVisibility}. @public */
export interface UseDocumentVisibilityOptions {
    /** The document to observe. Defaults to the ambient document in a browser. */
    readonly target?: DocumentVisibilityTarget;
    /** Alias for `target`, useful when passing a React ref. */
    readonly ref?: DocumentVisibilityTarget;
    /** Disables the subscription and returns `visible` while false. */
    readonly enabled?: boolean;
    /** Whether the native visibility listener is registered during capture. */
    readonly capture?: boolean;
}
/**
 * Returns the current document visibility and shares one native subscription
 * for each document/capture pair. Server rendering and unavailable documents
 * deterministically return `visible`.
 *
 * @public
 */
export declare function useDocumentVisibility(): VisibilityState;
/** @public */
export declare function useDocumentVisibility(options: UseDocumentVisibilityOptions): VisibilityState;
/** @public */
export declare function useDocumentVisibility(target: DocumentVisibilityTarget, options?: Omit<UseDocumentVisibilityOptions, 'target' | 'ref'>): VisibilityState;