type SourceSelectionCriteria struct {
	ReplicaModifications ReplicaModifications `xml:"ReplicaModifications" json:"ReplicaModifications"`
}

// IsValid - checks whether SourceSelectionCriteria is valid or not.
func (s SourceSelectionCriteria) IsValid() bool {
	return s.ReplicaModifications.Status == Enabled || s.ReplicaModifications.Status == Disabled
}

// Validate source selection criteria

func (d Destination) isValidStorageClass() bool {
	if d.StorageClass == "" {
		return true
	}
	return d.StorageClass == "STANDARD" || d.StorageClass == "REDUCED_REDUNDANCY"
}

// IsValid - checks whether Destination is valid or not.
func (d Destination) IsValid() bool {
	return d.Bucket != "" || !d.isValidStorageClass()
}

func (d Destination) String() string {
	return d.ARN
}

        assertTrue(h.isValid());

        // Tree id change makes it invalid
        when(tree.getTreeId()).thenReturn(11L);
        assertFalse(h.isValid());

        // Connected=false makes it invalid
        when(tree.getTreeId()).thenReturn(10L);
        when(tree.isConnected()).thenReturn(false);
        assertFalse(h.isValid());

        // Mark closed makes it invalid

		}
	}
}

// Test IsValid method with valid and invalid inputs
func TestIsValidStorageClassKind(t *testing.T) {
	tests := []struct {
		sc   string
		want bool
	}{
		{"STANDARD", true},
		{"REDUCED_REDUNDANCY", true},
		{"", false},
		{"INVALID", false},
		{"123", false},
		{"MINIO_STORAGE_CLASS_RRS", false},

pkg database/sql, method (*Row) Err() error
pkg database/sql, type DBStats struct, MaxIdleTimeClosed int64
pkg database/sql/driver, type Validator interface { IsValid }
pkg database/sql/driver, type Validator interface, IsValid() bool
pkg debug/pe, const IMAGE_DLLCHARACTERISTICS_APPCONTAINER = 4096
pkg debug/pe, const IMAGE_DLLCHARACTERISTICS_APPCONTAINER ideal-int

            digest1.sign(data, 0, data.length, request, response);

            // Verify with second digest (simulating server verification)
            boolean isValid = digest2.verify(data, 0, data.length, 0, response);

            assertTrue(isValid, "Valid signature should verify correctly");
        }

        @Test
        @DisplayName("Should sign and verify round trip for SMB 2.1")

    public CronExpressionValidator() {
        // Empty constructor
    }

    @Override
    public void initialize(final CronExpression constraintAnnotation) {
    }

    @Override
    public boolean isValid(final String value, final ConstraintValidatorContext context) {
        return determineValid(value);
    }

    /**
     * Determines if the given value is a valid cron expression.

        case FILE -> ComponentUtil.getProtocolHelper().getFileProtocols();
        default -> throw new ConstraintDefinitionException("protocolType is empty or invalid: " + uriType.protocolType());
        };
    }

    @Override
    public boolean isValid(final String value, final ConstraintValidatorContext context) {
        if (StringUtil.isNotBlank(value)) {
            return check(protocols, value);
        }

     *
     * @return the tree
     */
    SmbTreeHandle getTree();

    /**
     * Checks if this file handle is still valid
     *
     * @return whether the file descriptor is valid
     */
    boolean isValid();

    /**
     * Closes this file handle and optionally sets the last write time
     *
     * @param lastWriteTime the last write time to set, or 0 to leave unchanged

pkg net/netip, method (Addr) IsLoopback() bool
pkg net/netip, method (Addr) IsMulticast() bool
pkg net/netip, method (Addr) IsPrivate() bool
pkg net/netip, method (Addr) IsUnspecified() bool
pkg net/netip, method (Addr) IsValid() bool
pkg net/netip, method (Addr) Less(Addr) bool
pkg net/netip, method (Addr) MarshalBinary() ([]uint8, error)
pkg net/netip, method (Addr) MarshalText() ([]uint8, error)
pkg net/netip, method (Addr) Next() Addr