import React from "react";
export interface PortalContainerContextType {
    container: HTMLElement | null;
}
export interface PortalContainerProviderProps {
    container: HTMLElement | null;
    children: React.ReactNode;
}
/**
 * Provider component that sets the portal container for all descendants.
 * This can be used at any level of the tree to specify where portals should be attached.
 *
 * @example
 * ```tsx
 * const containerRef = useRef<HTMLDivElement>(null);
 *
 * <div ref={containerRef}>
 *   <PortalContainerProvider container={containerRef.current}>
 *     <YourComponents />
 *   </PortalContainerProvider>
 * </div>
 * ```
 */
export declare function PortalContainerProvider({ container, children }: PortalContainerProviderProps): React.JSX.Element;
/**
 * Hook to access the portal container from context.
 * Returns null if no provider is found in the tree.
 *
 * @returns The portal container element or null
 */
export declare function usePortalContainer(): HTMLElement | null;