import { DisposableStore } from "@codingame/monaco-vscode-api/vscode/vs/base/common/lifecycle";
/**
 * Wire up a collapsible toggle on a chevron+header+content triple.
 * Handles icon switching and display toggling.
 */
export declare function setupCollapsibleToggle(chevron: HTMLElement, header: HTMLElement, contentEl: HTMLElement, disposables: DisposableStore, initiallyCollapsed?: boolean, scrollable?: {
    scanDomNode(): void;
}): void;