docs: def store(self, out, comments=None):
          """
          Write the `Properties` object's entries (in unspecified order) in
          ``.properties`` format to ``out``, including the current timestamp.
  
          :param out: A file-like object to write the properties to.  It must
              have been opened as a text file with a Latin-1-compatible encoding.
          :param comments: If non-`None`, ``comments`` will be written to ``out``
              as a comment before any other content
          :type comments: text string or `None`
          :return: `None`
          """
          dump(self.data, out, comments=comments)