save newli creat diagram us parser opportun attach diagram set ll need construct fig diagram creat gef pgml handler init diagram overridden initi sequenc ul li load diagram us pgml file li instanti us arg constructor li invok method set diagram diagram instanc li invok diagram initi object owner method li diagram set li diagram set scale li diagram set singl multipl doe gef care multipl ul param diagram diagram tigri gef persist pgml pgml stack parser set diagram tigri gef base diagram overrid set diagram diagram diagram todo gener initi stuff need argo diagram diagram set diagram set diagram set set diagram diagram 