class GithubIssue extends BlueIssue {

    static Collection<String> findIssueKeys(String input) {
        Collection<String> ids = new ArrayList<>();
        Matcher m = PATTERN.matcher(input);
        while (m.find()) {
            if (m.groupCount() >= 1) {
                String issue = m.group(1);
                ids.add(issue.substring(1, issue.length()));
            }
        }
        return ids;
    }

    public  GithubIssue(String id, String url);

}