module ActiveSupport
  module Callbacks
    class CallbackChain
      include Enumerable[::ActiveSupport::Callbacks::Callback]
      def each: () -> Enumerator[::ActiveSupport::Callbacks::Callback, Array[::ActiveSupport::Callbacks::Callback]]
              | () { (::ActiveSupport::Callbacks::Callback) -> void } -> Array[::ActiveSupport::Callbacks::Callback]
    end
  end
end