private void selectOutputDirectory(ReportGenerator.Format parsedFormat) {
        if (this.outputDirectory != null) {
            return;
        }
        switch (parsedFormat) {
            case HTML:
            case HTML5:
                this.outputDirectory = new File(buildDirectory, "/jgiven-reports/html");
                break;
            case ASCIIDOC:
                this.outputDirectory = new File(buildDirectory, "/jgiven-reports/asciidoc");
                break;
            case TEXT:
                this.outputDirectory = new File(buildDirectory, "/jgiven-reports/text");
        }
    }
Whether to show thumbnails for image attachments, otherwise a clip-icon is shown
jgiven-maven-plugin/src/main/java/com/tngtech/jgiven/maven/JGivenReportMojo.java