from Products.PluggableAuthService.interfaces.propertysheets \
    import IPropertySheet

class IMutablePropertySheet( IPropertySheet ):


    def canWriteProperty( object, id ):
        """ Check if a property can be modified.
        """

    def setProperty( object, id, value ):
        """
        """

    def setProperties( object, mapping ):
        """
        """

class ISchemaMutablePropertySheet( IMutablePropertySheet ):
    pass
