*       domain).equals(ContiguousSet.create(b, domain))} implies {@code
   *       a.canonical(domain).equals(b.canonical(domain))}
   *   <li>idempotence: {@code a.canonical(domain).canonical(domain).equals(a.canonical(domain))}
   * </ul>
   *
   * <p>Furthermore, this method guarantees that the range returned will be one of the following
   * canonical forms:
   *
   * <ul>
   *   <li>[start..end)
   *   <li>[start..+∞)

metadata:
  labels:
    service.istio.io/canonical-name: {{ index .ObjectMeta.Labels `service.istio.io/canonical-name` | default (index .ObjectMeta.Labels `app.kubernetes.io/name`) | default (index .ObjectMeta.Labels `app`) | default .DeploymentMeta.Name  | quote }}

 *
 * @author higa
 */
public abstract class URLUtil {

    /** プロトコルを正規化するためのマップ */
    protected static final Map<String, String> CANONICAL_PROTOCOLS = newHashMap();
    static {
        CANONICAL_PROTOCOLS.put("wsjar", "jar"); // WebSphereがJarファイルのために使用する固有のプロトコル
        CANONICAL_PROTOCOLS.put("vfsfile", "file"); // JBossAS5がファイルシステムのために使用する固有のプロトコル
    }

    /**
     * URLをオープンして{@link InputStream}を返します。
     *

    assertEquals(Range.closedOpen(Integer.MIN_VALUE, 0), Range.lessThan(0).canonical(integers()));
    assertEquals(Range.closedOpen(Integer.MIN_VALUE, 1), Range.atMost(0).canonical(integers()));
    assertEquals(Range.atLeast(0), Range.atLeast(0).canonical(integers()));
    assertEquals(Range.atLeast(1), Range.greaterThan(0).canonical(integers()));

    assertEquals(Range.closedOpen(Integer.MIN_VALUE, 0), Range.lessThan(0).canonical(integers()));
    assertEquals(Range.closedOpen(Integer.MIN_VALUE, 1), Range.atMost(0).canonical(integers()));
    assertEquals(Range.atLeast(0), Range.atLeast(0).canonical(integers()));
    assertEquals(Range.atLeast(1), Range.greaterThan(0).canonical(integers()));

//
// Note that the quantity will NEVER be internally represented by a
// floating point number. That is the whole point of this exercise.
//
// Non-canonical values will still parse as long as they are well formed,
// but will be re-emitted in their canonical form. (So always use canonical
// form, or don't diff.)
//
// This format is intended to make it difficult to use these numbers without

metadata:
  labels:
    service.istio.io/canonical-name: {{ index .ObjectMeta.Labels `service.istio.io/canonical-name` | default (index .ObjectMeta.Labels `app.kubernetes.io/name`) | default (index .ObjectMeta.Labels `app`) | default .DeploymentMeta.Name  | quote }}

  val randalcatSet: CodePointSet,
  /** LCat code points; bidi category is "L". */
  val lcatSet: CodePointSet,
) {
  /**
   * Returns [input] in canonical form according to these rules, or null if no such canonical form
   * exists for it.
   */
  operator fun invoke(input: String): String? = invoke(Buffer().writeUtf8(input))

  internal operator fun invoke(input: BufferedSource): String? {

        ComparableVersion ret = new ComparableVersion(version);
        String canonical = ret.getCanonical();
        String parsedCanonical = new ComparableVersion(canonical).getCanonical();

        assertEquals(
                canonical,
                parsedCanonical,
                "canonical( " + version + " ) = " + canonical + " -> canonical: " + parsedCanonical);

        return ret;
    }

		return ErrInvalidToken
	}

	// Verify finally if signature is same.

	// Get canonical request.
	presignedCanonicalReq := getCanonicalRequest(extractedSignedHeaders, hashedPayload, encodedQuery, req.URL.Path, req.Method)

	// Get string to sign from canonical request.
	presignedStringToSign := getStringToSign(presignedCanonicalReq, t, pSignValues.Credential.getScope())