public Builder setLocation(im.turms.client.model.proto.model.user.UserLocation value) {
            copyOnWrite();
            instance.setLocation(value);
            return this;
        }
<code>optional .im.turms.proto.UserLocation location = 7;</code>
turms-client-kotlin/src/main/java/im/turms/client/model/proto/request/user/CreateSessionRequest.java