+ /*!
+ * Logical functor (predicate) "Volumes with bare border".
+ * Verify whether a mesh volume has a free facet without a mesh face on it
+ */
+ interface BareBorderVolume: Predicate {};
+ /*!
+ * Logical functor (predicate) "Faces with bare border".
+ * Verify whether a mesh face has a side not shared with another face
+ * and without a mesh edge on it
+ */
+ interface BareBorderFace: Predicate {};
+
+ /*!
+ * Logical functor (predicate) "Over-constrained Volume"
+ * Verify whether a mesh volume has only one facet shared with other volumes
+ */
+ interface OverConstrainedVolume: Predicate {};
+ /*!
+ * Logical functor (predicate) "Over-constrained Face".
+ * Verify whether a mesh face has only one border shared with other faces
+ */
+ interface OverConstrainedFace: Predicate {};
+