res = ctx.normalClassDeclaration.classBody.classBodyDeclaration.asScala
    .filter(d => d.classMemberDeclaration != null)
    .map(_.classMemberDeclaration)
    .filter(f => f.fieldDeclaration != null)
    .map(_.fieldDeclaration)    // fields
    .map(f =>
        f.variableDeclaratorList.variableDeclarator.asScala
         .map(g => new OMPVariable(g.variableDeclaratorId.Identifier.toString, f.unannType.toString, OMPVariableType.Class, ! f.fieldModifier.asScala.exists(m => m.getText == "public" || m.getText == "protected")))
    )
    .flatten
    .toArray