export interface SidebarDocumentPlacement { folderId: string | null; categoryId: string | null; }
export declare function createDocumentDropCoordinator(options: { persist(id: string, placement: SidebarDocumentPlacement): void; }): { pendingId(token: number): string | null; begin(id: string, token: number): void; end(id: string, token: number): void; cancel(): void; zone(id: string, placement: SidebarDocumentPlacement): void; header(id: string, placement: SidebarDocumentPlacement): void; };