class_docstr: A `Dataset` that maps a function over its input and flattens the result.
code: def _transformation_name(self):
      return "Dataset.flat_map()"
  
file_path: tensorflow/tensorflow/python/data/ops/flat_map_op.py
imports: from tensorflow.python.data.ops import dataset_ops
  from tensorflow.python.data.ops import structured_function
  from tensorflow.python.ops import gen_dataset_ops
label_desc: Use image node_id 4 for calling the _FlatMapDataset obj's underlying member method code with example usage: obj._transformation_name() and returns: str