code: def _java_loader_class(cls, clazz):
      if (
          hasattr(clazz, "_java_class_name")
          and clazz._java_class_name is not None
      ):
          return clazz._java_class_name
      else:
          return JavaMLReader._java_loader_class(clazz)
  
imports: from pyspark.ml.util import JavaMLReader, JavaMLReadable
label_desc: Use image node_id 1 for calling the AnnotatorJavaMLReader obj's underlying member method code with example usage: obj._java_loader_class(cls, clazz) and returns: clazz, JavaMLReader