class ActionController::LogSubscriber

def start_processing(event)

Experimental RBS support (using type sampling data from the type_fusion project). 

def start_processing: (ActiveSupport::Notifications::Event event) -> Integer

This signature was generated using 1 sample from 1 application. 

def start_processing(event)
  return unless logger.info?
  payload = event.payload
  params  = payload[:params].except(*INTERNAL_PARAMS)
  format  = payload[:format]
  format  = format.to_s.upcase if format.is_a?(Symbol)
  format  = "*/*" if format.nil?
  info "Processing by #{payload[:controller]}##{payload[:action]} as #{format}"
  info "  Parameters: #{params.inspect}" unless params.empty?
end