@Override public int readSInt32() throws IOException { return input.readSInt32(); }
break; case 3: message.someSint32 = input.readSInt32(); break; case 4:
@Override public Object readFrom(Input input) throws IOException { return input.readSInt32(); }
@Override public void mergeFrom(Input input, Object message) throws IOException { setter.set(message, input.readSInt32()); }