c_g_dbus_connection_call_with_unix_fd_list

Undocumented in source but is binding to C. You might be able to learn more by searching the web for its name.
__gshared extern (C)
void function(GDBusConnection* connection, const(char)* busName, const(char)* objectPath, const(char)* interfaceName, const(char)* methodName, GVariant* parameters, GVariantType* replyType, GDBusCallFlags flags, int timeoutMsec, GUnixFDList* fdList, GCancellable* cancellable, GAsyncReadyCallback callback, void* userData) c_g_dbus_connection_call_with_unix_fd_list;

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