docs: public static String resolveSvnMigratedRevision(final Revision revision, final String branch) {
          if (revision == null) {
              return null;
          }
          final Pattern pattern = Pattern.compile("^git-svn-id: .*" + branch + "@([0-9]+) ", Pattern.MULTILINE);
          final Matcher matcher = pattern.matcher(revision.getMessage());
          if (matcher.find()) {
              return matcher.group(1);
          } else {
              return revision.getRevision();
          }
      }