wip triangulation traits

Constrained_triangulation_3/doc/Constrained_triangulation_3/Concepts/ConformingConstrainedDelaunayTriangulationTraits_3.h

@@ -11,7 +11,7 @@ parameter `Triangulation_3` in the function template
 
 \cgalHasModelsBegin
 \cgalHasModels{CGAL::Exact_predicates_inexact_constructions_kernel (recommended)}
-\cgalHasModelsBare{all %CGAL kernels}
+\cgalHasModelsBare{All %CGAL kernels}
 \cgalHasModelsEnd
 
 \todo Add the requirements in the concept `ConformingConstrainedDelaunayTriangulationTraits_3`.
@@ -19,4 +19,112 @@ parameter `Triangulation_3` in the function template
 */
 class ConformingConstrainedDelaunayTriangulationTraits_3 {
 public:
+  /// \name Types
+  /// @{
+
+  /*!
+  * The number type
+  */
+  using FT = unspecified_type;
+
+  /*!
+  * The line type
+  */
+  using Line_3 = unspecified_type;
+
+  /*!
+  * The point type
+  */
+  using Point_3 = unspecified_type;
+
+  /*!
+  * The vector type
+  */
+  using Vector_3 = unspecified_type;
+
+  /*!
+  * The segment type
+  */
+  using Segment_3 = unspecified_type;
+
+  /*!
+  * The triangle type
+  */
+  using Triangle_3 = unspecified_type;
+
+  /*!
+  * The tetrahedron type
+  */
+  using Tetrahedron_3 = unspecified_type;
+
+  /*!
+   */
+  using Construct_cross_product_vector_3 = unspecified_type;
+
+  /*!
+   */
+  using Construct_vector_3 = unspecified_type;
+
+  /*!
+   */
+  using Construct_sum_of_vectors_3 = unspecified_type;
+
+  /*!
+   */
+  using Construct_triangle_3 = unspecified_type;
+
+  /*!
+   */
+  using Construct_vertex_3 = unspecified_type;
+
+  /*!
+   */
+  using Orientation_3 = unspecified_type;
+
+  /*!
+  * A predicate object that must provide the function operators:
+
+    `bool operator()(Triangle_3 t)`
+    `bool operator()(Tetrahedron_3 t)`
+
+    which return true iff the object is degenerate.
+   */
+  using Is_degenerate_3 = unspecified_type;
+
+  /// @}
+
+  /// \name Operations
+  /// The following functions give access to the predicate and construction objects:
+  /// @{
+
+  /*!
+   */
+  Construct_cross_product_vector_3 construct_cross_product_vector_3_object();
+
+  /*!
+   */
+  Construct_vector_3 construct_vector_3_object();
+
+  /*!
+   */
+  Construct_sum_of_vectors_3 construct_sum_of_vectors_3_object();
+
+  /*!
+   */
+  Construct_triangle_3 construct_triangle_3_object();
+
+  /*!
+   */
+  Construct_vertex_3 construct_vertex_3_object();
+
+  /*!
+   */
+  Orientation_3 orientation_3_object();
+
+  /*!
+   */
+  Is_degenerate_3 is_degenerate_3_object();
+
+  /// @}
+
 };