@java.lang.Override
        public /* nullable */
        java.lang.String getDeviceDetailsOrDefault(
                java.lang.String key,
                /* nullable */
                java.lang.String defaultValue) {
            if (key == null) {
                throw new NullPointerException("map key");
            }
            java.util.Map<java.lang.String, java.lang.String> map =
                    internalGetDeviceDetails().getMap();
            return map.getOrDefault(key, defaultValue);
        }
<code>map&lt;string, string&gt; device_details = 6;</code>
turms-server-common/src/main/java/im/turms/server/common/access/client/dto/request/user/CreateSessionRequest.java