class BaseHandlerimport { BaseHandler } from "https://deno.land/x/branch@0.1.6/deps.ts"; ConstructorsnewBaseHandler(levelName: LevelName, options?: HandlerOptions)Propertiesformatter: string | FormatterFunctionlevel: numberlevelName: LevelNameMethodsdestroy()format(logRecord: LogRecord): stringhandle(logRecord: LogRecord): voidlog(_msg: string): voidsetup()