@Override
        public String toString() {
            StringBuilder configList = new StringBuilder();
            for (final var entry : this.entrySet()) {
                configList.append(entry.getKey())
                          .append("=")
                          .append(entry.getValue())
                          .append("\n");
            }
            return configList.toString();
        }
@return a complete list of booting configurations with effected values.
@since 9.7.0
@since 10.3.0 return ConfigList instead of String, to support raw configurations.
oap-server/server-core/src/main/java/org/apache/skywalking/oap/server/core/status/ServerStatusService.java