provide the id to the extradhcpoption 's builder . concode_field_sep String optionValue concode_elem_sep String id concode_elem_sep String optionName concode_field_sep Builder toBuilder concode_elem_sep Objects.ToStringHelper string concode_elem_sep Builder optionValue concode_elem_sep Builder fromExtraDhcpOption concode_elem_sep String getId concode_elem_sep String getOptionName concode_elem_sep ExtraDhcpOption build concode_elem_sep int hashCode concode_elem_sep String getOptionValue concode_elem_sep boolean equals concode_elem_sep Builder builder concode_elem_sep String toString concode_elem_sep Builder id concode_elem_sep Builder optionName