include 時にクラスメソッドの alias を定義する

alias_class_method_on_module_included.rb

module Foo
  def self.included(base)
    class << base
      alias_method :baz, :bar
    end
  end
end

class Bar
  def self.bar
    "bar"
  end
end

class Baz < Bar
    include Foo
end

p Baz.bar
# => "bar"
p Baz.baz
# => "bar"