public FileServiceBuilder autoIndex(boolean autoIndex) {
        this.autoIndex = autoIndex;
        return this;
    }
Sets whether {@link FileService} auto-generates a directory listing for a directory without an
{@code index.html} file. By default, this feature is disabled. Consider the security implications of
when enabling this feature.
core/src/main/java/com/linecorp/armeria/server/file/FileServiceBuilder.java