+ class DataArrayInt32;
+ class DataArrayInt32Iterator;
+ class DataArrayInt32Tuple;
+ class DataArrayInt64;
+ class DataArrayInt64Tuple;
+
+#ifndef MEDCOUPLING_USE_64BIT_IDS
+
+#define DataArrayIdType DataArrayInt32
+#define DataArrayIdTypeTuple DataArrayInt32Tuple
+
+#else
+
+#define DataArrayIdType DataArrayInt64
+#define DataArrayIdTypeTuple DataArrayInt64Tuple