import { ReactNode } from 'react';
/**
 * Lifecycle phases of an animated modal:
 * - `'closed'` - not mounted (or pre-mount).
 * - `'opening'` - mounted, currently animating in.
 * - `'opened'` - open, animation complete.
 * - `'closing'` - animating out, will become `'closed'` on `transitionend`.
 */
export type ModalPhase = 'closed' | 'opening' | 'opened' | 'closing';
/**
 * Wraps a single modal child to drive its animation phase from a boolean `open`.
 * Mounts the child when `open` flips to `true` (phase `'opening'`), keeps it mounted while
 * the close animation runs, then unmounts when phase reaches `'closed'`. Used internally by
 * `Popover`, `Tooltip`, `Dialog`, `Popup`, and `Toast` - you usually won't instantiate this directly.
 *
 * The wrapped child must accept `phase: ModalPhase` and `onPhaseChange: (phase: ModalPhase) => void`
 * props (this is what the `*Inner` components in this library do).
 */
export declare const ModalController: (props: {
    /** Desired open state. Drives the phase machine. */
    open: boolean;
    /** Fires when the controller resolves an internal phase change back into a boolean (e.g. animation completes). */
    onOpenChange?: (open: boolean) => void;
    /** Single React element accepting `phase` + `onPhaseChange`. */
    children: ReactNode;
}) => import("react").ReactElement<any, string | import("react").JSXElementConstructor<any>> | null;
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