* functor type is either *SMESH.FT_EqualEdges*, *SMESH.FT_EqualFaces* or *SMESH.FT_EqualVolumes*,
* threshold value is not required
* functor type is either *SMESH.FT_EqualEdges*, *SMESH.FT_EqualFaces* or *SMESH.FT_EqualVolumes*,
* threshold value is not required