#NEWLINE# def _LeftoverPropertiesToXml( self ) : #NEWLINE# #INDENT# " Convert all of this entity's properties that *aren't* part of this gd\n    kind to XML.\n\n    Returns:\n    string  # the XML representation of the leftover properties\n    " #NEWLINE# leftovers = set ( self . keys ( ) ) #NEWLINE# leftovers -= leftovers . _kind_properties #NEWLINE# leftovers -= self . _contact_properties #NEWLINE# if leftovers : #NEWLINE# #INDENT# return ( '\n  ' + '\n  ' . join ( self . _PropertiesToXml ( leftovers ) ) ) #NEWLINE# #UNINDENT# else : #NEWLINE# #INDENT# return ''