/**
 * CollapsibleSectionHeader
 *
 * Section header for a collapsible section that can be used within P1
 *
 * Callers own the expanded state and the id wiring, so this stays presentational.
 */
import React from 'react';
export interface CollapsibleSectionHeaderProps {
    title: string;
    open: boolean;
    onToggle: () => void;
    /** Id of the region this header controls, for aria-controls. */
    controlsId: string;
    id?: string;
    /** Item count shown beside the chevron. Omitted when there is nothing to count. */
    count?: number;
    /**
     * A control for the section itself. It renders beside the toggle rather than
     * inside it, since a control within the button would nest one interactive
     * element in another.
     */
    action?: React.ReactNode;
}
export declare function CollapsibleSectionHeader({ title, open, onToggle, controlsId, id, count, action, }: CollapsibleSectionHeaderProps): React.ReactElement;