def METHOD_NAME(self, sid, default=None):
    """Returns value of key ``item`` in self.data or ``default``
    if key is not present.
    Parameters:
        sid(str): Key to get from ``self.data``.
        default (str): Default value to return if key is not present.
    Returns:
        {dict}: the stored dict item, or the ``default`` if not found.
    """
    return self.data.METHOD_NAME(sid, default)