--- /dev/null
+/*
+ Extern implementation of Nit module stream
+*/
+#ifndef STREAM_NITG_NITNI_H
+#define STREAM_NITG_NITNI_H
+
+#ifndef NIT_TYPE_Object
+#define NIT_TYPE_Object 1
+typedef struct nitni_instance *Object;
+#endif
+#ifndef NIT_TYPE_nullable_Int
+#define NIT_TYPE_nullable_Int 1
+typedef struct nitni_instance *nullable_Int;
+#endif
+#ifndef NIT_TYPE_Array_of_Int
+#define NIT_TYPE_Array_of_Int 1
+typedef struct nitni_instance *Array_of_Int;
+#endif
+#ifndef NIT_TYPE_nullable_Object
+#define NIT_TYPE_nullable_Object 1
+typedef struct nitni_instance *nullable_Object;
+#endif
+#include "stream._ffi.h"
+#define Object_incr_ref(from) while(0){}
+#define Object_decr_ref(from) while(0){}
+#define nullable_Int_incr_ref(from) while(0){}
+#define nullable_Int_decr_ref(from) while(0){}
+extern nullable_Int stream___null_Int();
+#define null_Int stream___null_Int
+#define Array_of_Int_incr_ref(from) while(0){}
+#define Array_of_Int_decr_ref(from) while(0){}
+#define nullable_Object_incr_ref(from) while(0){}
+#define nullable_Object_decr_ref(from) while(0){}
+extern nullable_Object stream___null_Object();
+#define null_Object stream___null_Object
+extern int stream___Array_of_Int_length( struct nitni_instance * recv );
+extern int stream___Array_of_Int__index( struct nitni_instance * recv, int index );
+extern int stream___Int_is_a_nullable_Int(int);
+#define Int_is_a_nullable_Int stream___Int_is_a_nullable_Int
+extern struct nitni_instance * stream___Int_as_nullable_Int(int);
+#define Int_as_nullable_Int stream___Int_as_nullable_Int
+#define Int_as_nullable Int_as_nullable_Int
+#endif