import { FC, ReactNode } from 'react';
export interface CollapsibleProps {
    /**
     * Controls whether the collapsible content is expanded.
     * If provided, the component acts as a controlled component.
     */
    open?: boolean;
    /**
     * Controls whether the collapsible content default is expanded.
     */
    defaultOpen?: boolean;
    /**
     * Callback fired when the open state changes.
     * Called with the next boolean value when toggled.
     */
    onChangeOpen?: (value: boolean) => void;
    /**
     * Optional callback that fires when the hidden (visibility) state changes.
     * This can differ from `open` if animations or delays are used.
     */
    onChangeHidden?: (value: boolean) => void;
    /**
     * The content to render inside the collapsible container.
     * Can be a single node or a list of React nodes.
     */
    children?: ReactNode | ReactNode[];
    /**
     * ID of the collapsible content element.
     *
     * Used to:
     * - link trigger and content via accessibility attributes (`aria-controls`)
     * - expose the expanded region to assistive technologies
     * - provide a stable identifier for testing and DOM querying
     *
     * If not provided, an ID generated internally.
     */
    contentId?: string;
}
/** The Collapsible component toggles visibility of its content, supporting controlled state and optional lifecycle callbacks for open and hidden changes */
export declare const Collapsible: FC<CollapsibleProps>;