return errors.New("unsupported general register extension type: " + ext)

		}
	} else if reg <= arm64.REG_V31 && reg >= arm64.REG_V0 {
		switch ext {
		case "B8":
			if isIndex {
				return errors.New("invalid register extension")
			}
			a.Reg = arm64.REG_ARNG + (reg & 31) + ((arm64.ARNG_8B & 15) << 5)
		case "B16":
			if isIndex {
				return errors.New("invalid register extension")
			}

    assertThat(CertificateAdapters.extension.toDer(extension))
      .isEqualTo(bytes)
    assertThat(CertificateAdapters.extension.fromDer(bytes))
      .isEqualTo(extension)
  }

  @Test fun `extension with unknown type hint`() {
    val extension =
      Extension(
        // common name is not an extension.
        COMMON_NAME,
        false,
        "3006800109810109".decodeHex(),
      )

        this.artifactId = (artifactId != null && !artifactId.isEmpty()) ? artifactId : null;
        this.classifier = (classifier != null && !classifier.isEmpty()) ? classifier : null;
        this.extension = (extension != null && !extension.isEmpty()) ? extension : null;
        this.version = (version != null && !version.isEmpty()) ? version : null;
        this.message = (message != null && !message.isEmpty()) ? message : null;
    }

    @Override

    }

    @Nonnull
    default ArtifactCoordinates create(
            @Nonnull Session session, String groupId, String artifactId, String version, String extension) {
        return create(ArtifactCoordinatesFactoryRequest.build(session, groupId, artifactId, version, extension));
    }

    @Nonnull
    default ArtifactCoordinates create(
            @Nonnull Session session,
            String groupId,

    </snapshot>
    <lastUpdated>20130404093657</lastUpdated>
    <snapshotVersions>
      <snapshotVersion>
        <extension>pom</extension>
        <value>0.4.0-20130404.090532-2</value>
        <updated>20130404090532</updated>
      </snapshotVersion>
      <snapshotVersion>
        <extension>jar</extension>
        <value>0.4.0-20130404.093655-3</value>
        <updated>20130404093655</updated>
      </snapshotVersion>

            }
            classExtensionDoc.getMixinClasses().add(model.getClassDoc(mixin.getMixinClass()));
        }
        for (ExtensionMetaData extension : classDoc.getExtensionMetaData().getExtensionClasses()) {
            String pluginId = extension.getPluginId();
            ClassExtensionDoc classExtensionDoc = plugins.get(pluginId);
            if (classExtensionDoc == null) {

      return Validity(
        notBefore = notBefore,
        notAfter = notAfter,
      )
    }

    private fun extensions(): MutableList<Extension> {
      val result = mutableListOf<Extension>()

      if (maxIntermediateCas != -1) {
        result +=
          Extension(
            id = BASIC_CONSTRAINTS,
            critical = true,
            value =
              BasicConstraints(

            infos.put(dstKey, srcInfo);
        }
    }

    private String getKey(String classifier, String extension) {
        return (classifier == null ? "" : classifier.trim()) + ':' + (extension == null ? "" : extension.trim());
    }

    private ArtifactRepository getRepository(

        GradleDocumentationExtension extension = project.getExtensions().getByType(GradleDocumentationExtension.class);
        generateJavadocs(project, layout, tasks, extension);
    }

    private void generateJavadocs(Project project, ProjectLayout layout, TaskContainer tasks, GradleDocumentationExtension extension) {
        // TODO: Staging directory should be a part of the Javadocs extension

// Key denotes the key present in the store.
type Key struct {
	Name      string
	Compress  bool
	Extension string
	ItemCount int
}

// String returns the filepath name
func (k Key) String() string {
	keyStr := k.Name
	if k.ItemCount > 1 {
		keyStr = fmt.Sprintf("%d:%s", k.ItemCount, k.Name)
	}
	return keyStr + k.Extension + func() string {
		if k.Compress {
			return compressExt
		}
		return ""
	}()
}