module ActionCable::Connection::Identification::ClassMethods

channel instances created off the connection.
Note that anything marked as an identifier will automatically create a delegate by the same name on any

Common identifiers are current_user and current_account, but could be anything, really.
Mark a key as being a connection identifier index that can then be used to find the specific connection again later.

def identified_by(*identifiers)
  Array(identifiers).each { |identifier| attr_accessor identifier }
  self.identifiers += identifiers
end