in main/src/main/java/org/apache/james/jdkim/tagvalue/SignatureRecordTemplate.java [271:282]
public List<CharSequence> getRecordLookupMethods() {
String flags = getValue("q").toString();
String[] flagsStrings = flags.split(":");
List<CharSequence> res = new LinkedList<>();
for (String flagsString : flagsStrings) {
// TODO add validation method[/option]
// if (VALIDATION)
res.add(trimFWS(flagsString, 0, flagsString.length() - 1,
true));
}
return res;
}