/**
     * The release notes CSS to embed in the HTML
     */
    @InputFile
    @PathSensitive(PathSensitivity.NONE)
    public abstract RegularFileProperty getReleaseNotesCssFile();

    /**
     * The base docs CSS to embed in the HTML
     */
    @InputFile
    @PathSensitive(PathSensitivity.NONE)
    public abstract RegularFileProperty getBaseCssFile();

    /**

            task.getBaseCssFile().convention(extension.getReleaseNotes().getBaseCssFile());
            task.getReleaseNotesCssFile().convention(extension.getReleaseNotes().getReleaseNotesCssFile());
            task.getReleaseNotesJavascriptFile().convention(extension.getReleaseNotes().getReleaseNotesJsFile());