class AWS::EC2::DHCPOptions

def configuration
  dhcp_configuration_set.to_a.inject({}) do |config,opt|
    key = opt[:key].gsub(/-/, '_').to_sym
    values = opt[:value_set].map{|v| v[:value] }
    values = values.first if key == :domain_name
    values = values.first.to_i if key == :netbios_node_type
    config.merge(key => values)
  end
end