import type { FolderNode } from '../../../../shared/contracts/folders';
export interface FlatFolderOption {
    id: number;
    /** Full ancestry label, e.g. "About / Images". */
    label: string;
}
/**
 * Flattens the nested folder structure (`/upload/folder-structure`) into a
 * depth-first list of `{ id, label }` options where the label carries the full
 * ancestry path. Used by destination selects so folders sharing a name stay
 * distinguishable ("About / Images" vs "Tech / Images"), with children listed
 * right under their parent.
 *
 * `excludeSubtreeIds` prunes a folder *and everything below it* in the same
 * single pass — used to drop the selected folders (and their descendants) from
 * bulk-move destinations without re-walking the tree per option.
 */
export declare const flattenFolderStructure: (nodes: FolderNode[], excludeSubtreeIds?: ReadonlySet<number>, parentLabel?: string) => FlatFolderOption[];