gen.generateBytes(derived, 0, 16);
        return derived;
    }


    /**
     * @param string
     * @return null terminated ASCII bytes
     */
    private static byte[] toCBytes ( String string ) {
        byte[] data = new byte[string.length() + 1];
        System.arraycopy(string.getBytes(StandardCharsets.US_ASCII), 0, data, 0, string.length());
        return data;
    }

     *
     * @param model The model to create a source hint for, may be {@code null}.
     * @return The user-friendly source hint, never {@code null}.
     */
    static String toSourceHint(Model model) {
        if (model == null) {
            return "";
        }

        StringBuilder buffer = new StringBuilder(128);

        buffer.append(toId(model));

	server.Listener = listener
	server.Start()
	return server
}

func dummyRequestValidate(r *http.Request) error {
	return nil
}

func dummyTokenValidate(token string) error {
	if token == "debug" {
		return nil
	}
	return fmt.Errorf("invalid token. want empty, got %s", token)
}

func dummyNewToken() string {
	return "debug"

        }
        result.putAll(getUserProperties());
        return result;
    }

    @Override
    public Version getMavenVersion() {
        return null;
    }

    @Override
    public int getDegreeOfConcurrency() {
        return 0;
    }

    @Override
    public Instant getStartTime() {
        return startTime;
    }

    @Override
    public Path getTopDirectory() {

                    return mirror;
                }
            }

            for (Mirror mirror : mirrors) {
                if (matchPattern(repository, mirror.getMirrorOf()) && matchesLayout(repository, mirror)) {
                    return mirror;
                }
            }
        }

        return null;
    }

    /**

        return stream(getPermissions()).get(stream -> stream.filter(s -> s.startsWith(fessConfig.getRoleSearchGroupPrefix()))
                .map(s -> s.substring(1)).toArray(n -> new String[n]));
    }

    public Hashtable<String, String> getEnvironment() {
        return env;
    }

    @Override
    public boolean isEditable() {
        return ComponentUtil.getFessConfig().isLdapAdminEnabled(name);

    //                                                                             =======
    @Override
    public FavoriteLogDbm asDBMeta() {
        return FavoriteLogDbm.getInstance();
    }

    @Override
    public String asTableDbName() {
        return "favorite_log";
    }

    // ===================================================================================

   */
  @J2ktIncompatible
  @GwtIncompatible // reflection
  public static Method getPutAllNullKeyUnsupportedMethod() {
    return getMethod(MapPutAllTester.class, "testPutAll_nullKeyUnsupported");
  }

func (m *metacache) finished() bool {
	return !m.ended.IsZero()
}

// worthKeeping indicates if the cache by itself is worth keeping.
func (m *metacache) worthKeeping() bool {
	if m == nil {
		return false
	}
	cache := m
	switch {
	case !cache.finished() && time.Since(cache.lastUpdate) > metacacheMaxRunningAge:
		// Not finished and update for metacacheMaxRunningAge, discard it.
		return false

        if (p1 == p2) {
            return true;
        }
        // update policy doesn't affect contents
        return p1.isEnabled() == p2.isEnabled() && Objects.equals(p1.getChecksumPolicy(), p2.getChecksumPolicy());
    }

    private static boolean repositoryEquals(RemoteRepository r1, RemoteRepository r2) {
        if (r1 == r2) {
            return true;
        }

        return Objects.equals(r1.getId(), r2.getId())