ICatalogLoadResponse

export interface ICatalogLoadResponse {
  // Field or general errors; null on success.
  form_errors: Record<string, ApiFormError[]> | null;
  // Success message, or null.
  success_message: string | null;
  // Category tree in `tree`, childless category IDs in `childfree`, and all
  // returned category IDs in `unique_ids`.
  page_data: {
    // Array of public root categories. Nested `childs` arrays contain public
    // descendants through depth 3.
    tree: ICategory[];
    // IDs of returned categories with no stored subcategories (`numchild` 0). A
    // category whose children are all hidden or deeper than level 3 is not
    // listed here; its `childs` is empty.
    childfree: number[];
    // IDs of categories in the returned tree. Use the order of `tree` and
    // `childs` for display.
    unique_ids: number[];
  } | null;
}