@java.lang.Override
    public int getSerializedSize() {
        int size = memoizedSize;
        if (size != -1) {
            return size;
        }

        size = 0;
        if (((bitField0_ & 0x00000001) != 0)) {
            size += com.google.protobuf.CodedOutputStream.computeInt64Size(1, attachmentIdNum_);
        }
        if (((bitField0_ & 0x00000002) != 0)) {
            size += com.google.protobuf.GeneratedMessage.computeStringSize(2, attachmentIdStr_);
        }
        if (((bitField0_ & 0x00000004) != 0)) {
            size += com.google.protobuf.CodedOutputStream.computeInt64Size(3, userIdToShareWith_);
        }
        if (((bitField0_ & 0x00000008) != 0)) {
            size += com.google.protobuf.CodedOutputStream.computeInt64Size(4, userIdToUnshareWith_);
        }
        if (((bitField0_ & 0x00000010) != 0)) {
            size += com.google.protobuf.CodedOutputStream.computeInt64Size(5, groupIdToShareWith_);
        }
        if (((bitField0_ & 0x00000020) != 0)) {
            size += com.google.protobuf.CodedOutputStream.computeInt64Size(6,
                    groupIdToUnshareWith_);
        }
        for (im.turms.server.common.access.client.dto.model.common.Value value : customAttributes_) {
            size += com.google.protobuf.CodedOutputStream.computeMessageSize(15, value);
        }
        size += getUnknownFields().getSerializedSize();
        memoizedSize = size;
        return size;
    }
<code>repeated .im.turms.proto.Value custom_attributes = 15;</code>
turms-server-common/src/main/java/im/turms/server/common/access/client/dto/request/storage/UpdateMessageAttachmentInfoRequest.java