code: public Transform apply(String name, Expression... args) {
      return LogicalExpressions.apply(name,
          JavaConverters.asScalaBuffer(Arrays.asList(args)).toSeq());
    }
docs: Create a logical transform for applying a named transform.
  <p>
  This transform can represent applying any named transform.
  
  @param name the transform name
  @param args expression arguments to the transform
  @return a logical transform