@Nullable
    @Override
    protected String getTypeParameter(@NotNull CommentTracker ct, @NotNull PsiMethodCallExpression qualifierCall) {
      String typeParameter = super.getTypeParameter(ct, qualifierCall);
      if (typeParameter != null) {
        return typeParameter;
      }
      PsiType[] argTypes = qualifierCall.getArgumentList().getExpressionTypes();
      if (argTypes.length == 1) {
        PsiType argType = argTypes[0];
        if (argType instanceof PsiArrayType) {
          return argType.getCanonicalText();
        }
      }
      return null;
    }
@Nullable
    @Override
    protected String getTypeParameter(@NotNull CommentTracker ct, @NotNull PsiMethodCallExpression qualifierCall)