Method: GET_FOLDERS_BY_USER
Method: UPDATE_FOLDERS
Method: INSERT_FOLDERS
Method: ADD_FOLDER
Method: MOVE_FOLDER
Method: FOLDER_CONTAINS_ITEM
Method: GET_ROOT_FOLDER
Method: GET_FOLDER_ELEMENTS
Method: GET_ITEM_PARENT_FOLDERS
Method: FOLDER_EXISTS_IN_PARENT
Method: GET_FULL_HIERARCHY_BY_TYPE
Method: GET_FOLDER_BY_NAME
Method: RENAME_FOLDER
Method: GET_FULL_HIERARCHY