public VirtualHostBuilder accessLogger(String loggerName) {
        requireNonNull(loggerName, "loggerName");
        return accessLogger(host -> LoggerFactory.getLogger(loggerName));
    }
Sets the {@link Logger} named {@code loggerName} of this {@link VirtualHost},
which is used for writing access logs.
core/src/main/java/com/linecorp/armeria/server/VirtualHostBuilder.java