import * as React from 'react';
/**
 * Keeps a node mounted past `present` going false until its CSS exit animation finishes (immediately if none declared), pairing with the `data-state` hook every overlay part emits.
 *
 * @example
 * ```tsx
 * const ref = React.useRef<HTMLDivElement>(null);
 * const mounted = usePresence(open, ref);
 * return mounted ? <div ref={ref} data-state={open ? 'open' : 'closed'} /> : null;
 * ```
 */
export declare function usePresence(present: boolean, nodeRef: React.RefObject<HTMLElement | null>): boolean;
/** Props for {@link Presence}. */
export interface PresenceProps {
    /** Whether the child should be present; going false starts the child's exit animation instead of unmounting it outright. */
    present: boolean;
    /**
     * A single React element — `Presence` composes its own ref onto it (via
     * {@link Slot}) to watch for `animationend`, and renders no DOM of its own.
     * @default undefined — renders nothing if omitted.
     */
    children?: React.ReactNode | undefined;
}
/**
 * Component form of {@link usePresence}: renders its single child element while `present`, then keeps it mounted until the child's CSS exit animation ends, rendering no DOM of its own.
 *
 * @example
 * ```tsx
 * <Presence present={open}>
 *   <PopoverContent forceMount data-state={open ? 'open' : 'closed'} />
 * </Presence>
 * ```
 */
export declare function Presence({ present, children }: PresenceProps): React.JSX.Element | null;
export declare namespace Presence {
    var displayName: string;
}