class_docstr: TextSet wraps a set of texts with status.
class_docstr_tok: ["TextSet","wraps","a","set","of","texts","with","status","."]
code: def transform(self, transformer):
      return TextSet(
          callZooFunc(
              self.bigdl_type,
              "transformTextSet",
              transformer,
              self.value,
          ),
          self.bigdl_type,
      )
  
imports: import six
  from bigdl.util.common import JavaValue
  from zoo.common.utils import callZooFunc
  from pyspark import RDD
label_desc: Use image node_id 22 for calling the TextSet obj's underlying member method code with example usage: obj.transform(transformer) and returns: TextSet