class_docstr: A transformation which applies each of a list of transformations,
  returning a set of all optoins.
  
  Args:
      transformations: The list of ``Transformation`` to apply.
code: def __repr__(self):
      main_str = "CompositeTransformation" + "("
      transformation_lines = []
      for i, transformation in enumerate(self.transformations):
          transformation_lines.append(
              utils.add_indent(f"({i}): {transformation}", 2)
          )
      transformation_lines.append(")")
      main_str += utils.add_indent(
          "\n" + "\n".join(transformation_lines), 2
      )
      return main_str
  
file_path: TextAttack/textattack/transformations/composite_transformation.py
imports: from textattack.shared import utils
  from textattack.transformations import Transformation
label_desc: Use image node_id 4 for calling the CompositeTransformation obj's underlying member method code with example usage: obj.__repr__() and returns: main_str