c_g_dbus_method_invocation_return_error

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(GDBusMethodInvocation* invocation, GQuark domain, int code, const(char)* format, ...) c_g_dbus_method_invocation_return_error;

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