private void ensureGroupConversationsIsMutable() {
            if ((bitField0_ & 0x00000002) == 0) {
                groupConversations_ = new java.util.ArrayList<>(groupConversations_);
                bitField0_ |= 0x00000002;
            }
        }
<code>repeated .im.turms.proto.PrivateConversation private_conversations = 1;</code>
turms-server-common/src/main/java/im/turms/server/common/access/client/dto/model/conversation/Conversations.java