private void ensureNamesIsMutable() {
            if (!names_.isModifiable()) {
                names_ = new com.google.protobuf.LazyStringArrayList(names_);
            }
            bitField0_ |= 0x00000004;
        }
<code>repeated int64 group_ids = 2;</code>

@return This builder for chaining.
turms-server-common/src/main/java/im/turms/server/common/access/client/dto/request/conversation/DeleteConversationSettingsRequest.java