class_docstr: A class to load, modify, and display the StreamAlertCLI Config
docstr: Return set of terraform files to include with this deployment
docstr_tok: ["Return","set","of","terraform","files","to","include","with","this","deployment"]
code: def terraform_files(self):
      """Return set of terraform files to include with this deployment"""
      return set(self._terraform_files).union(
          self.config["global"]["general"].get("terraform_files", [])
      )
  
imports: import json
  import os
  import re
  import shutil
  import string
  import tempfile
  from streamalert.apps import StreamAlertApp
  from streamalert.shared import CLUSTERED_FUNCTIONS, config, metrics
  from streamalert.shared.logger import get_logger
  from streamalert_cli.terraform import TERRAFORM_FILES_PATH
  from streamalert_cli.apps.helpers import save_app_auth_info
  from streamalert_cli.helpers import continue_prompt
label_desc: Use image node_id 8 for calling the CLIConfig obj's underlying member method code with example usage: obj.terraform_files() and returns: set