@Override
      public String getTooltipText(final MemberInfo member) {
        final PsiMember cause = getCause(member);
        if (cause != null) {
          final String presentation = SymbolPresentationUtil.getSymbolPresentableText(cause);
          if (member.isChecked()) {
            return RefactorJBundle.message("extract.class.depends.on.0.from.1.tooltip", presentation, sourceClass.getName());
          }
          else {
            final String className = getClassName();
            return RefactorJBundle.message("extract.class.depends.on.0.from.new.class", presentation, className);
          }
        }
        return null;
      }
@Override
      public String getTooltipText(final MemberInfo member)