import React from 'react';
type ContextValue = {
    registerPortal: (id: string, element: HTMLElement) => void;
    unregisterPortal: (id: string) => void;
    getPortalElement: (id: string) => HTMLElement | undefined;
    isNodeWithinPortalDropdown: (node: Node, id: string) => boolean;
};
export declare const DropdownPortalRegistrationContext: React.Context<ContextValue>;
/**
 * For consuming components a slimmer version of the context is returned, omitting `registerPortal`
 * and `unregisterPortal` as those functions are only utilized by the `dropdown_popover` itself.
 * `isNodeWithinPortalDropdown` is the preferred export, but `getPortalElement` is also provided
 * if more complex logic is needed involving portal rendered dropdown content
 */
export declare const useActiveDropdownsContext: () => Pick<ContextValue, 'getPortalElement' | 'isNodeWithinPortalDropdown'>;
/**
 * This context allows `DropdownContainer` components to opt into registering a reference to their
 * rendered DOM content when the dropdown opens. To enable a `DropdownContainer` to opt into this context behavior,
 * a `dropdownId` must be passed to the `DropdownContainer`.
 *
 * This context is `ref` based to reduce re-renders of consuming components and because ref data is a good match for
 * tracking DOM references. This does mean that accessing data in this context should be done only at the time it is needed,
 * such as in a click outside event handler. `isNodeWithinPortalDropdown` is the preferred export from this context
 * for usage within standard components.
 */
declare function DropdownPortalRegistrationContextProvider({ children }: {
    children: React.ReactNode | React.ReactNode[];
}): React.JSX.Element;
export default DropdownPortalRegistrationContextProvider;