    # File lib/core-uncommon/facets/module/method_clash.rb, line 27
      def method_clash(other)
        common_ancestor = (ancestors & other.ancestors).first

        s = []
        s += public_instance_methods(true)
        s += private_instance_methods(true)
        s += protected_instance_methods(true)

        o = []
        o += other.public_instance_methods(true)
        o += other.private_instance_methods(true)
        o += other.protected_instance_methods(true)

        c = s & o

        if common_ancestor
          c -= common_ancestor.public_instance_methods(true)
          c -= common_ancestor.private_instance_methods(true)
          c -= common_ancestor.protected_instance_methods(true)
        end

        return c
      end