tests := []struct {
		value       DefaultRetention
		expectedErr error
		expectErr   bool
	}{
		{
			value:       DefaultRetention{Mode: "retain"},
			expectedErr: fmt.Errorf("unknown retention mode retain"),
			expectErr:   true,
		},
		{
			value:       DefaultRetention{Mode: RetGovernance},
			expectedErr: fmt.Errorf("either Days or Years must be specified"),
			expectErr:   true,

	// ntp server is disabled
	if ntpServer == "" {
		return time.Now().UTC(), nil
	}
	return ntp.Time(ntpServer)
}

// Retention - bucket level retention configuration.
type Retention struct {
	Mode        RetMode
	Validity    time.Duration
	LockEnabled bool
}

// Retain - check whether given date is retainable by validity time.
func (r Retention) Retain(created time.Time) bool {
	t, err := UTCNowNTP()

            // Refreshing the original must not clear the clone's cached subject
            orig.refresh();
            // Clone should retain its cached Subject
            assertSame(copySubj, copy.getSubject(), "Clone should retain its cached Subject");
        } else {
            // If JAAS is not configured and getSubject() returns null, verify cloning still works

				return nil
			}
			if len(prefix) > 0 && !strings.HasPrefix(entry, prefix) {
				// Do not retain the file, since it doesn't
				// match the prefix.
				entries[i] = ""
				continue
			}
			if len(forward) > 0 && entry < forward {
				// Do not retain the file, since its
				// lexially smaller than 'forward'
				entries[i] = ""
				continue
			}
			if hasSuffixByte(entry, SlashSeparatorChar) {

        public boolean verifySignature(byte[] data, int offset, int length) {
            return true; // Default to successful verification
        }

        public void setRetainPayload(boolean retain) {
            this.retainPayload = retain;
        }

        public byte[] getRawPayload() {
            return rawPayload;
        }

        // Expose headerStart for testing

        }

        public String getIdentifier() {
            return identifier;
        }

        public boolean isSpdxLicense() {
            return spdxLicense;
        }

        public boolean isSourceRedistributionRequired() {
            return sourceRedistributionRequired;
        }
    }

    private static class LicenseMatcher {

          stating that You changed the files; and

      (c) You must retain, in the Source form of any Derivative Works
          that You distribute, all copyright, patent, trademark, and
          attribution notices from the Source form of the Work,
          excluding those notices that do not pertain to any part of
          the Derivative Works; and

        assertArrayEquals(key.getKey(), context.getLeaseKey().getKey());
        assertEquals(DirectoryLeaseState.DIRECTORY_READ_HANDLE, context.getLeaseState());

        // Directory-specific fields should retain defaults
        assertEquals(DirectoryCacheScope.IMMEDIATE_CHILDREN, context.getCacheScope());
        assertEquals(30000L, context.getMaxCacheAge());
        assertTrue(context.isNotificationEnabled());
    }

  /** A collection of elements to retain, along with a description for use in failure messages. */
  private final class Target {
    private final Collection<E> toRetain;
    private final String description;

    private Target(Collection<E> toRetain, String description) {
      this.toRetain = toRetain;
      this.description = description;
    }

    @Override

  /** A collection of elements to retain, along with a description for use in failure messages. */
  private final class Target {
    private final Collection<E> toRetain;
    private final String description;

    private Target(Collection<E> toRetain, String description) {
      this.toRetain = toRetain;
      this.description = description;
    }

    @Override