def METHOD_NAME(self, state: dict[str, int]) -> str:
    """Converts the state of the subfolders to a string
    Parameters
    ==========
    state: dict[str, int]
        a dictionary mapping subfolder labels to new mail values
    Returns
    =======
    a string representation of the given state
    """
    if self.total:
        return self._format_one(self.sub_folders[0]["label"], sum(state.values()))
    else:
        return self.separator.join(self._format_one(*item) for item in state.items())