extern int mlt_property_set_int( mlt_property self, int value );
extern int mlt_property_set_double( mlt_property self, double value );
extern int mlt_property_set_position( mlt_property self, mlt_position value );
-extern int mlt_property_set_uint64( mlt_property self, uint64_t value );
-extern int mlt_property_set_string( mlt_property self, char *value );
+extern int mlt_property_set_int64( mlt_property self, int64_t value );
+extern int mlt_property_set_string( mlt_property self, const char *value );
extern int mlt_property_set_data( mlt_property self, void *value, int length, mlt_destructor destructor, mlt_serialiser serialiser );
extern int mlt_property_get_int( mlt_property self );
extern double mlt_property_get_double( mlt_property self );
extern void *mlt_property_get_data( mlt_property self, int *length );
extern void mlt_property_close( mlt_property self );
+extern void mlt_property_pass( mlt_property this, mlt_property that );
+
#endif