public Builder addCustomAttributes(
                im.turms.client.model.proto.model.common.Value.Builder builderForValue) {
            copyOnWrite();
            instance.addCustomAttributes(builderForValue.build());
            return this;
        }
<code>repeated .im.turms.proto.Value custom_attributes = 15;</code>
turms-client-kotlin/src/main/java/im/turms/client/model/proto/model/user/UserInfo.java