private static ExceptionVerbosity exceptionLoggingMode(String name, String defaultValue) {
        final String mode = getNormalized(name, defaultValue,
                                          value -> Arrays.stream(ExceptionVerbosity.values())
                                                         .anyMatch(v -> v.name().equalsIgnoreCase(value)));
        return ExceptionVerbosity.valueOf(Ascii.toUpperCase(mode));
    }
Returns whether {@link AnnotatedService} should leave request/response content logs
by default when a {@link LoggingService} is added.

<p>By default, this option is enabled. Specify the
{@code -Dcom.linecorp.armeria.annotatedServiceContentLogging=false} JVM option to
override the default value.
core/src/main/java/com/linecorp/armeria/common/Flags.java