class SemanticLogger::Appender::Bugsnag

The Proc must return true or false.
Proc: Only include log messages where the supplied Proc returns true
regular expression. All other messages will be ignored.
RegExp: Only include log messages where the class name matches the supplied.
filter: [Regexp|Proc]

Default: Use the built-in formatter (See: #call)
the output from this appender
An instance of a class that implements #call, or a Proc to be used to format
formatter: [Object|Proc]

Default: :error
Override the log level for this appender.
level: [:trace | :debug | :info | :warn | :error | :fatal]
Parameters

Create Bugsnag Error / Exception Appender

def initialize(level: :error, **args, &block)
  raise "Bugsnag only supports :info, :warn, or :error log levels" unless %i[info warn error
                                                                             fatal].include?(level)
  # Replace the Bugsnag logger so that we can identify its log messages and not forward them to Bugsnag
  ::Bugsnag.configure { |config| config.logger = SemanticLogger[Bugsnag] }
  super
end