import { default as React } from 'react';
export interface PortalProps {
    /** Content to portal */
    children: React.ReactNode;
    /** Target container (defaults to document.body) */
    container?: Element | null;
}
/**
 * Portal Component
 *
 * Renders children into a DOM node outside the parent component's hierarchy.
 * Useful for modals, tooltips, and overlays that need to break out of z-index stacking.
 *
 * @example
 * ```tsx
 * <Portal>
 *   <Modal>Content</Modal>
 * </Portal>
 * ```
 *
 * @example
 * ```tsx
 * <Portal container={customElement}>
 *   <Tooltip>Tooltip content</Tooltip>
 * </Portal>
 * ```
 */
export declare const Portal: React.FC<PortalProps>;
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