public void writeRawMessageSetExtension ( final int fieldNumber , final ByteString value ) throws IOException { writeTag ( WireFormat . MESSAGE_SET_ITEM , WireFormat . WIRETYPE_START_GROUP ) ; writeUInt32 ( WireFormat . MESSAGE_SET_TYPE_ID , fieldNumber ) ; writeBytes ( WireFormat . MESSAGE_SET_MESSAGE , value ) ; writeTag ( WireFormat . MESSAGE_SET_ITEM , WireFormat . WIRETYPE_END_GROUP ) ; }
Write an unparsed MessageSet extension field to the stream . For historical reasons the wire format differs from normal fields .