readGroup method
Implementation
void readGroup(int fieldNumber, GeneratedMessage message,
ExtensionRegistry extensionRegistry) {
if (_recursionDepth >= _recursionLimit) {
throw InvalidProtocolBufferException.recursionLimitExceeded();
}
++_recursionDepth;
message.mergeFromCodedBufferReader(this, extensionRegistry);
checkLastTagWas(makeTag(fieldNumber, WIRETYPE_END_GROUP));
--_recursionDepth;
}