@Override
      public void visitReferenceExpression(@NotNull GrReferenceExpression referenceExpression) {
        super.visitReferenceExpression(referenceExpression);

        if (canBeSimplified(referenceExpression) || isQualifiedStaticMethodWithUnnecessaryQualifier(referenceExpression)) {
          registerError(referenceExpression);
        }
      }
@Override
      public void visitReferenceExpression(@NotNull GrReferenceExpression referenceExpression)