private void ensureCustomAttributesIsMutable() {
            if ((bitField0_ & 0x00000010) == 0) {
                customAttributes_ = new ArrayList<>(customAttributes_);
                bitField0_ |= 0x00000010;
            }
        }
<pre>
e.g. street address, city, state, country, etc.
</pre>

<code>map&lt;string, string&gt; details = 4;</code>
turms-server-common/src/main/java/im/turms/server/common/access/client/dto/model/user/UserLocation.java