OptionaldefaultMetadata?: Record<any, any> | () => Record<any, any>Metadata to attach to every logged entry, by default. Defaults to null.
Log only if the level of a logged entry is less than or equal to this level. Enables filtering out of debug message in production, for example.
The runtime mode.
Optionaltransport?: Transport | nullThe transport to use for handling log entries. When not specified or
null, this will be determined using getLoggingTransport.
Options to configure logging.