refined1.rb

class ClassWithFoo
  def foo; "foo" end
end

module PrependedModule
  def foo; "foo from prepended module"; end
end

module IncludedModule
  def foo; "foo from included module"; end
end

class Refined < ClassWithFoo
end

module Refinement
  refine Refined do
    include IncludedModule
    prepend PrependedModule
    
    def foo; "foo from refinement"; end
  end
end

module DoIt
  using Refinement
  p Refined.new.foo
end