canonical name of the property specified
nick name for the property specified
description of the property specified
a #GType whose subtypes are allowed as values of the property (use G_TYPE_NONE for any type)
flags for the property specified
a newly created parameter specification
Creates a new #GParamSpecGType instance specifying a G_TYPE_GTYPE property.
See gobject.param_spec.ParamSpec.internal for details on property names.