text: // api-operations
  const AddMode = {
    ITEM_LIST: 0, STORAGE_LIST: 1, STORAGE_CONTENT: 2, UNIT_LIST: 3
  }
  
  const DeleteMode = {
    ITEM_LIST: 0, STORAGE_LIST: 1, STORAGE_CONTENT: 2, UNIT_LIST: 3
  }
  
  const FetchMode = {
    ITEM_LIST: 0, STORAGE_LIST: 1, STORAGE_CONTENT: 2, UNIT_LIST: 3
  }
  
  const UpdateMode = {
    ITEM_LIST: 0,
    STORAGE_LIST: 1,
    STORAGE_CONTENT_DECR: 2,
    STORAGE_CONTENT_EDIT: 3,
    STORAGE_CONTENT_INCR: 4,
    UNIT_LIST: 5
  }
  
  // modal-modes
  const ModalMode = {
    ITEM: "item",
    STORAGE: "storage",
    UNIT: "unit"
  }
  
  export { AddMode, DeleteMode, FetchMode, UpdateMode, ModalMode };
  