private static void addHeader( String customHeader, List<String> column, boolean hasHeader ) {
        boolean hasCustomerHeader = !customHeader.equals( AnnotationUtil.ABSENT );

        if( hasHeader ) {
            String header = DEFAULT_NUMBERED_HEADER;
            if( hasCustomerHeader ) {
                header = customHeader;
            }
            column.add( header );
        }
    }
The default implementation to format a table argument
jgiven-core/src/main/java/com/tngtech/jgiven/format/table/DefaultTableFormatter.java