nclassdef.mclass = mclass
if not nmodule.mclass2nclassdef.has_key(mclass) then
nmodule.mclass2nclassdef[mclass] = nclassdef
nclassdef.mclass = mclass
if not nmodule.mclass2nclassdef.has_key(mclass) then
nmodule.mclass2nclassdef[mclass] = nclassdef
var mclass: nullable MClass
# The associated MClassDef once build by a `ModelBuilder`
var mclassdef: nullable MClassDef
var mclass: nullable MClass
# The associated MClassDef once build by a `ModelBuilder`
var mclassdef: nullable MClassDef