def METHOD_NAME(
    self,
    msg_errors: List[str] = None,
    mask_expressions: List[str] = None,
    msg_warnings: List[str] = None,
    catalogue: List[str] = None,
    unavailable_expressions: List[str] = None,
    egress_data: List[Dict[str, Any]] = None,
    duplicate_entries: List[str] = None,
):
    self.msg_errors: List[str] = [] if msg_errors is None else msg_errors
    self.msg_warnings: List[str] = [] if msg_warnings is None else msg_warnings
    self.unavailable_expressions: List[str] = (
        [] if unavailable_expressions is None else unavailable_expressions
    )
    self.catalogue: List[str] = [] if catalogue is None else catalogue
    self.egress_data: List[Dict[str, Any]] = {
        "tracking-id-123": {
            "upload_size": 200,
            "download_size": 2000,
            "url": OAUTH_BASE_URL + TIMESERIES_ENDPOINT,
            "time_taken": 10,
        }
    }
    self.mask_expressions: List[str] = (
        [] if mask_expressions is None else mask_expressions
    )
    self.duplicate_entries: List[str] = (
        [] if duplicate_entries is None else duplicate_entries
    )