(self, field_mask)
Converts the tree to a FieldMask.
Converts the tree to a FieldMask.
Converts the tree to a FieldMask .
def ToFieldMask(self, field_mask):
    """Converts the tree to a FieldMask."""
    field_mask.Clear()
    _AddFieldPaths(self._root, '', field_mask)
def ToFieldMask ( self , field_mask ) : field_mask . Clear ( ) _AddFieldPaths ( self . _root , '' , field_mask )