A destructor is present on this object, but not explicitly documented in the source.
Get wrapped C GError pointer.
Copy a an ErrorG object.
Check whether @error has domain and code.
Get error code.
Set error code.
Get error domain quark.
Set error domain quark.
Get Error message.
Set error message.
Create a new ErrorG` object.
The glib.error.ErrorG structure contains information about an error that has occurred.