@Override
  public void invoke(@NotNull PsiElement element) {
    final PsiMethodCallExpression call = (PsiMethodCallExpression)element;
    final PsiReferenceExpression methodExpression = call.getMethodExpression();
    final @NonNls String fromMethodName = methodExpression.getReferenceName();
    final @NonNls String toMethodName = getOppositeAssertMethodName(fromMethodName);
    final CommentTracker tracker = new CommentTracker();
    final @NonNls StringBuilder newCall = new StringBuilder();
    final PsiElement qualifier = methodExpression.getQualifier();
    if (qualifier == null) {
      final PsiMethod method = call.resolveMethod();
      assert method != null;
      final PsiClass aClass = method.getContainingClass();
      assert aClass != null;
      final String qualifiedName = aClass.getQualifiedName();
      assert qualifiedName != null;
      final PsiClass containingClass = PsiTreeUtil.getParentOfType(element, PsiClass.class);
      if (!InheritanceUtil.isInheritor(containingClass, "junit.framework.Assert") &&
          !ImportUtils.addStaticImport(qualifiedName, toMethodName, element)) {
        newCall.append(qualifiedName).append('.');
      }
    }
    else {
      newCall.append(tracker.text(qualifier)).append('.');
    }
    newCall.append(toMethodName).append('(');
    final PsiExpressionList argumentList = call.getArgumentList();
    final PsiExpression[] arguments = argumentList.getExpressions();

    if (arguments.length == 1) {
      newCall.append(BoolUtils.getNegatedExpressionText(arguments[0], tracker));
    }
    else {
      newCall.append(tracker.text(arguments[0])).append(',');
      newCall.append(BoolUtils.getNegatedExpressionText(arguments[1], tracker));
    }
    newCall.append(')');
    PsiReplacementUtil.replaceExpressionAndShorten(call, newCall.toString(), tracker);
  }
@Override
  public void invoke(@NotNull PsiElement element)