runs-on: ubuntu-latest
    steps:
      - uses: actions/stale@v10
        with:
          operations-per-run: 50
          remove-stale-when-updated: false

          only-issue-labels: ':wave: team-triage'
          days-before-issue-stale: 14
          stale-issue-label: to-triage
          stale-issue-message: ""
          days-before-issue-close: -1

          only-pr-labels: 'from:contributor'

 *
 * @author higa
 */
public abstract class StringConversionUtil {

    /**
     * Do not instantiate.
     */
    protected StringConversionUtil() {
    }

    /** WAVE DASH */
    public static final char WAVE_DASH = '\u301C';

    /** FULLWIDTH TILDE */
    public static final char FULLWIDTH_TILDE = '\uFF5E';

    /** DOUBLE VERTICAL LINE */