--- /dev/null
+/*
+ Extern implementation of Nit module file
+*/
+#ifndef FILE_NITG_NITNI_H
+#define FILE_NITG_NITNI_H
+
+#ifndef NIT_TYPE_String
+#define NIT_TYPE_String 1
+typedef struct nitni_instance *String;
+#endif
+#ifndef NIT_TYPE_Set_of_String
+#define NIT_TYPE_Set_of_String 1
+typedef struct nitni_instance *Set_of_String;
+#endif
+#ifndef NIT_TYPE_HashSet_of_String
+#define NIT_TYPE_HashSet_of_String 1
+typedef struct nitni_instance *HashSet_of_String;
+#endif
+#include "file._ffi.h"
+#define String_incr_ref(from) while(0){}
+#define String_decr_ref(from) while(0){}
+#define Set_of_String_incr_ref(from) while(0){}
+#define Set_of_String_decr_ref(from) while(0){}
+#define HashSet_of_String_incr_ref(from) while(0){}
+#define HashSet_of_String_decr_ref(from) while(0){}
+extern struct nitni_instance * file___new_HashSet_of_String( );
+extern void file___HashSet_of_String_add( struct nitni_instance * recv, struct nitni_instance * item );
+extern struct nitni_instance * file___NativeString_to_s( char* recv );
+extern char* file___String_to_cstring( struct nitni_instance * recv );
+extern int file___HashSet_of_String_is_a_Set_of_String(struct nitni_instance *);
+#define HashSet_of_String_is_a_Set_of_String file___HashSet_of_String_is_a_Set_of_String
+extern struct nitni_instance * file___HashSet_of_String_as_Set_of_String(struct nitni_instance *);
+#define HashSet_of_String_as_Set_of_String file___HashSet_of_String_as_Set_of_String
+#endif