pkg log/slog, method (Level) String() string #56345
pkg log/slog, method (*Level) UnmarshalJSON([]uint8) error #56345
pkg log/slog, method (*Level) UnmarshalText([]uint8) error #56345
pkg log/slog, method (*LevelVar) Level() Level #56345
pkg log/slog, method (*LevelVar) MarshalText() ([]uint8, error) #56345
pkg log/slog, method (*LevelVar) Set(Level) #56345

		</RollingFile>
	</Appenders>

	<Loggers>
		<Logger name="org.codelibs" additivity="false" level="${log.level}">
			<AppenderRef ref="AppFile" />
		</Logger>
		<Logger name="org.dbflute" additivity="false" level="${log.level}">
			<AppenderRef ref="AppFile" />
		</Logger>
		<Logger name="org.lastaflute" additivity="false" level="${log.level}">
			<AppenderRef ref="AppFile" />
		</Logger>

### Start Dex

```
~ ./bin/dex serve dex.yaml
time="2020-07-12T20:45:50Z" level=info msg="config issuer: http://127.0.0.1:5556/dex"
time="2020-07-12T20:45:50Z" level=info msg="config storage: sqlite3"
time="2020-07-12T20:45:50Z" level=info msg="config static client: Example App"
time="2020-07-12T20:45:50Z" level=info msg="config connector: mock"
time="2020-07-12T20:45:50Z" level=info msg="config connector: local passwords enabled"

  fun enableHttp2() = enable(Http2::class)

  fun enableTaskRunner() = enable(TaskRunner::class)

  fun logHandler() =
    ConsoleHandler().apply {
      level = Level.FINE
      formatter =
        object : SimpleFormatter() {
          override fun format(record: LogRecord) = String.format("[%1\$tF %1\$tT] %2\$s %n", record.millis, record.message)
        }
    }

  fun enable(

			wantException:    true,
		},
		{ // logger name valid and logging level valid
			execClientConfig: loggingConfig,
			args:             strings.Split("log ztunnel-9v7nw --level ztunnel::pool:debug", " "),
			expectedString:   "",
			wantException:    false,
		},
		{ // set ztunnel logging level
			execClientConfig: loggingConfig,
			args:             strings.Split("log ztunnel-9v7nw --level debug", " "),

<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="WARN">

	<Properties>
		<Property name="domain.name" value="${sys:fess.log.name:-fess}" />
		<Property name="log.level" value="${sys:fess.log.level:-info}" />
		<Property name="root.log.level" value="${sys:fess.log.level:-warn}" />
		<Property name="log.pattern" value="%d [%t] %-5p %msg%n" />
		<Property name="log.file.basedir" value="${sys:fess.log.path:-target/logs}" />

<?xml version="1.0" encoding="UTF-8"?>
<Configuration status="WARN">

	<Properties>
		<Property name="domain.name" value="${sys:fess.log.name:-fess}" />
		<Property name="log.level" value="${sys:fess.log.level:-info}" />
		<Property name="root.log.level" value="${sys:fess.log.level:-warn}" />
		<Property name="log.pattern" value="%d [%t] %-5p %msg%n" />
		<Property name="log.file.basedir" value="${sys:fess.log.path:-target/logs}" />

  @Deprecated(
    message = "moved to val",
    replaceWith = ReplaceWith(expression = "url"),
    level = DeprecationLevel.ERROR,
  )
  fun url(): HttpUrl = url

  @JvmName("-deprecated_dns")
  @Deprecated(
    message = "moved to val",
    replaceWith = ReplaceWith(expression = "dns"),
    level = DeprecationLevel.ERROR,
  )
  fun dns(): Dns = dns

  @JvmName("-deprecated_socketFactory")
  @Deprecated(

	}{
		{
			"without keys",
			`{"level":"info","time":"2020-01-01T00:00:00.356374Z","msg":"my message"}`,
			cniLog{
				Level:     "info",
				Time:      *wantT,
				Msg:       "my message",
				Arbitrary: nil,
			},
		},
		{
			"with keys",
			`{"level":"info","time":"2020-01-01T00:00:00.356374Z","msg":"my message","key":"string value","bar":2}`,
			cniLog{
				Level: "info",
				Time:  *wantT,

	return "Level"
}

// Set is a function declared in the pflag.Value interface
func (m *MessageThreshold) Set(s string) error {
	levelMap := diag.GetUppercaseStringToLevelMap()
	level, ok := levelMap[strings.ToUpper(s)]
	if !ok {
		return errors.New("invalid level option")
	}
	m.Level = level
	return nil