#id: ( classT, fieldT, methodT, constructorT, classInitializerT, annotationMemberT )
ID form parent PEF.
Note: modifierT have no own ID. They are referenced over the ID from the corresponding parent

modifier: atom
one of serveral atoms:

• 'public'
• 'private'
• 'package' - supported since JTransformer 2.8.0
• 'protected'
• 'static'
• 'strictfp'
• 'synchronized'
• 'transient'
• 'native'
• 'volatile'
• 'abstract'
• 'final'

final int i = 3;                       //modifier "final" for a fieldT
...
public void myFunction(double i){      //modifier "public" for a methodT     
	...
}

fieldT(#fieldID, #parent ,...,'i',...)
modifierT(#fieldID, 'final')
...
methodT(#methodID, ..., 'myFunction', ..., type(basic, void, 0), [], ...).
modifierT(#methodID, 'public').

ast_relation('Java',modifierT,[
     ast_arg(id,       mult(1,1,no ), id,   [classT, fieldT, methodT, constructorT, classInitializerT, annotationMemberT]),
     ast_arg(modifier, mult(1,1,no ), attr, [atom])
]).