# File lib/twitter/core_ext/hash.rb, line 57
  def merge_owner!(owner_id_or_owner_screen_name)
    case owner_id_or_owner_screen_name
    when Integer
      self[:owner_id] = owner_id_or_owner_screen_name
    when String
      self[:owner_screen_name] = owner_id_or_owner_screen_name
    end
    self
  end