JSObjectRef CYMakePointer(JSContextRef context, void *pointer, size_t length, sig::Type *type, ffi_type *ffi, JSObjectRef owner);
+JSObjectRef CYMakeType(JSContextRef context, const char *encoding);
JSObjectRef CYMakeType(JSContextRef context, sig::Type *type);
JSObjectRef CYMakeType(JSContextRef context, sig::Signature *signature);