public im.turms.client.model.proto.model.common.ValueOrBuilder getCustomAttributesOrBuilder(
            int index) {
        return customAttributes_.get(index);
    }
<code>repeated .im.turms.proto.Value custom_attributes = 15;</code>
turms-client-kotlin/src/main/java/im/turms/client/model/proto/request/user/relationship/CreateRelationshipGroupRequest.java