public Builder putAllUserDefinedAttributes(
                java.util.Map<java.lang.String, im.turms.client.model.proto.model.common.Value> values) {
            copyOnWrite();
            instance.getMutableUserDefinedAttributesMap()
                    .putAll(values);
            return this;
        }
<code>map&lt;string, .im.turms.proto.Value&gt; user_defined_attributes = 12;</code>
turms-client-kotlin/src/main/java/im/turms/client/model/proto/model/group/Group.java