def METHOD_NAME(self, conf: ConfigTree) -> None:
    # Required configuration
    self._databricks_host = conf.get_string(
        DatabricksSQLDashboardExtractor.DATABRICKS_HOST_KEY
    )
    self._databricks_api_token = conf.get_string(
        DatabricksSQLDashboardExtractor.DATABRICKS_API_TOKEN_KEY
    )
    # NOTE: The dashboards api is currently in preview. When it gets moved out of preview
    # this will break and it will need to be changed
    self._databricks_sql_dashboards_api_base = (
        f"{self._databricks_host}/api/2.0/preview/sql/dashboards"
    )
    self._extractor = self._build_extractor()
    self._transformer = self._build_transformer()
    self._extract_iter: Optional[Iterator[Any]] = None