text: from starlette.config import Config
  from starlette.datastructures import CommaSeparatedStrings, Secret
  
  config = Config(".env")
  
  WAVEAPPS_API_KEY = config("WAVEAPPS_API_KEY", cast=Secret, default="")
  WAVEAPPS_CLIENT_ID = config("WAVEAPPS_CLIENT_ID", cast=Secret, default="")
  WAVEAPPS_CLIENT_SECRET = config("WAVEAPPS_CLIENT_SECRET", cast=Secret, default="")
  WAVEAPPS_STATE = config("WAVEAPPS_STATE", default="starlette-server")
  WAVE_BUSINESS_ID = config("WAVEAPPS_BUSINESS_ID", default="")
  WEBHOOK_CALLBACK = config("WAVEAPPS_WEBHOOK_CALLBACK", default="")
  ALLOWED_HOSTS = config(
      "ALLOWED_HOSTS", cast=CommaSeparatedStrings, default="localhost,127.0.0.1"
  )
  