import org.apache.maven.artifact.Artifact;
import org.apache.maven.artifact.repository.ArtifactRepository;
import org.apache.maven.artifact.resolver.ArtifactResolutionException;

/**
 * Occurs when ranges exclude each other and no valid value remains.
 *
 */
public class OverConstrainedVersionException extends ArtifactResolutionException {
    public OverConstrainedVersionException(String msg, Artifact artifact) {
        super(msg, artifact);
    }

	return r.Expiration.Validate()
}

func (r Rule) validateNoncurrentExpiration() error {
	return r.NoncurrentVersionExpiration.Validate()
}

func (r Rule) validatePrefixAndFilter() error {
	if !r.Prefix.set && r.Filter.IsEmpty() || r.Prefix.set && !r.Filter.IsEmpty() {
		return errXMLNotWellFormed
	}
	if !r.Prefix.set {
		return r.Filter.Validate()
	}
	return nil
}

Following YAML describes the structure of a replication job, each value is documented and self-describing.

```yaml
replicate:
  apiVersion: v1
  # source of the objects to be replicated
  source:
	type: TYPE # valid values are "minio"
	bucket: BUCKET
	prefix: PREFIX
	# NOTE: if source is remote then target must be "local"
	# endpoint: ENDPOINT
	# credentials:
	#   accessKey: ACCESS-KEY
	#   secretKey: SECRET-KEY

  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <groupId>com.example.group</groupId>
  <artifactId>valid-version-sha1</artifactId>
  <version>${revision}${changelist}${sha1}</version>

  <description>
    This will test if the validation for the ci friendly versions
    is working correct.
  </description>

// be emitted to stream
func (d *Decoder) willEmit() bool {
	if d.emitRecursive {
		return d.depth >= d.emitDepth
	}
	return d.depth == d.emitDepth
}

// any used to decode any valid JSON value, and returns an
// interface{} that holds the actual data
func (d *Decoder) any() (interface{}, ValueType, error) {
	c := d.cur()

	switch c {
	case '"':
		i, err := d.string()

	authTypeStreamingSignedTrailer:   {},
	authTypeStreamingUnsignedTrailer: {},
}

// Validate if the authType is valid and supported.
func isSupportedS3AuthType(aType authType) bool {
	_, ok := supportedS3AuthTypes[aType]
	return ok
}

// setAuthMiddleware to validate authorization header for the incoming request.
func setAuthMiddleware(h http.Handler) http.Handler {

  @SuppressWarnings("TruthSelfEquals")
  public void testEquals() {
    // sanity check on construction of copyOfWrappedSet
    assertThat(wrappedSet).isEqualTo(copyOfWrappedSet);

    // test that setToTest is still valid
    assertThat(setToTest).isEqualTo(wrappedSet);
    assertThat(setToTest).isEqualTo(copyOfWrappedSet);

    // invalidate setToTest
    wrappedSet.remove(1);
    // sanity check on update of wrappedSet

		expectedErr    error
	}{
		{
			// valid: represents a restored object, 'pending' expiry.
			restoreHdr: `ongoing-request="false", expiry-date="Fri, 21 Dec 2012 00:00:00 GMT"`,
			expectedStatus: restoreObjStatus{
				ongoing: false,
				expiry:  time.Date(2012, 12, 21, 0, 0, 0, 0, time.UTC),
			},
			expectedErr: nil,
		},
		{
			// valid: represents an ongoing restore object request.

  // The time zone name for the given schedule, see https://en.wikipedia.org/wiki/List_of_tz_database_time_zones.
  // If not specified, this will default to the time zone of the kube-controller-manager process.
  // The set of valid time zone names and the time zone offset is loaded from the system-wide time zone
  // database by the API server during CronJob validation and the controller manager during execution.

		if err := r.Target.Creds.Validate(); err != nil {
			return err
		}
	}

	if err := r.Target.Type.Validate(); err != nil {
		return err
	}

	for _, tag := range r.Flags.Filter.Tags {
		if err := tag.Validate(); err != nil {
			return err
		}
	}

	for _, meta := range r.Flags.Filter.Metadata {
		if err := meta.Validate(); err != nil {
			return err
		}
	}