@Override
        public boolean isAvailable(RequestLogProperty... properties) {
            requireNonNull(properties, "properties");
            checkArgument(properties.length != 0, "properties is empty.");
            return true;
        }
A {@link RequestLog} that delegates to {@link DefaultRequestLog} to read properties without
checking availability.
core/src/main/java/com/linecorp/armeria/common/logging/DefaultRequestLog.java