class Github::API

def self.method_added(method_name)
  method_name = method_name.to_s.gsub(/_with(out)?_callback_.*$/, '')
  # Only subclasses matter
  return if self.root?
  return if extra_methods.include?(method_name)
  # Only public methods are of interest
  return unless request_methods.include?(method_name)
  # Do not redefine
  return if (@__methods_added ||= []).include?(method_name)
  class_name     = self.name.to_s.split('::').last.downcase
  with_method    = "#{method_name}_with_callback_#{class_name}"
  without_method = "#{method_name}_without_callback_#{class_name}"
  return if public_method_defined?(with_method)
  [method_name, with_method, without_method].each do |met|
    @__methods_added << met
  end
  return if public_method_defined?(with_method)
  define_method(with_method) do |*args, &block|
    send(:execute, without_method, *args, &block)
  end
  alias_method without_method, method_name
  alias_method method_name, with_method
  clear_request_methods!
end