@Override
    public String format( Object argumentToFormat, Formatf annotation ) {
        return String.format( annotation.value(), argumentToFormat );
    }
{@link com.tngtech.jgiven.format.AnnotationArgumentFormatter} that is used by the {@link Formatf}
annotation
jgiven-core/src/main/java/com/tngtech/jgiven/format/PrintfAnnotationFormatter.java