code: public String getAccessModifier()
      {
          if ( _fieldDecl == null )
              return "";
          
          Collection<Modifier> modifiers = _fieldDecl.getModifiers();
          if (modifiers.contains(Modifier.PRIVATE))
              return "private";
          if (modifiers.contains(Modifier.PROTECTED))
              return "protected";
          if (modifiers.contains(Modifier.PUBLIC))
              return "public";
  
          return "";
      }
docs: Returns the access modifier associated with the field