# File lib/core/facets/module/method_clash.rb, line 26
  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