4)  Derive a new KEK from the new data key and re-encrypt the OEK with it.
5)  Store the encrypted OEK encrypted data key and master key ID in object metadata.
 ```

        assertTrue(manager.matches(request));

        request.setRequestURI("/any/path");
        assertTrue(manager.matches(request));
    }

    public void test_matches_withRootPath() {
        // Test root path matching
        WebApiManager manager = new TestWebApiManager("/");

        TestHttpServletRequest request = new TestHttpServletRequest();
        request.setRequestURI("/");

		writeErrorResponseJSON(ctx, w, toAdminAPIErr(ctx, err), r.URL)
		return
	}

	writeSuccessResponseJSON(w, encryptedData)

	// Call hook for cluster-replication if the service account is not for a
	// root user.
	if newCred.ParentUser != globalActiveCred.AccessKey {
		replLogIf(ctx, globalSiteReplicationSys.IAMChangeHook(ctx, madmin.SRIAMItem{
			Type: madmin.SRIAMItemSvcAcc,
			SvcAccChange: &madmin.SRSvcAccChange{

	if !gotBuckets.Equals(shouldHaveBuckets) {
		c.Fatalf("root user should have access to all buckets")
	}

	// This must fail.
	if err := userAdmClient.AddUser(ctx, globalActiveCred.AccessKey, globalActiveCred.SecretKey); err == nil {
		c.Fatal("AddUser() for root credential must fail via root STS creds")
	}
}

// TestSTSTokenRevoke - tests the token revoke API
func (s *TestSuiteIAM) TestSTSTokenRevoke(c *check) {

## Tóm lại

* Import `FastAPI`.
* Tạo một `app` instance.
* Viết một **decorator cho đường dẫn toán tử** (giống như `@app.get("/")`).
* Viết một **hàm cho đường dẫn toán tử** (giống như  `def root(): ...` ở trên).

The dependency injection system requires pre-registration of the dependencies and the dependencies are solved based on the declared types. So, it's not possible to declare more than one "component" that provides a certain type.

     * <code>SmbResource</code> or in the case of URLs that only specify a server
     * or workgroup, the server or workgroup will be returned. The name of
     * the root URL <code>smb://</code> is also <code>smb://</code>. If this
     * <code>SmbResource</code> refers to a workgroup, server, share, or directory,
     * the name will include a trailing slash '/' so that composing new

	isEmptyPath := func(path string) bool {
		return path == "" || path == SlashSeparator || path == `\`
	}

	if isEmptyPath(arg) {
		return ep, fmt.Errorf("empty or root endpoint is not supported")
	}

	var isLocal bool
	var host string
	u, err := url.Parse(arg)
	if err == nil && u.Host != "" {
		// URL style of endpoint.
		// Valid URL style endpoint is

    }

    /**
     * Creates an encoded parent directory ID from a path prefix.
     *
     * @param prefix the current path prefix
     * @return encoded parent directory ID, or empty string if at root
     */
    protected static String createParentId(final String prefix) {
        if (prefix == null) {
            return StringUtil.EMPTY;
        }
        final String[] values = prefix.split("/");

{\n  if (!document.documentElement.attachShadow) {\n    return null\n  }\n\n  // Can find the shadow root otherwise it'll return the document\n  if (typeof element.getRootNode === 'function') {\n    const root = element.getRootNode()\n    return root instanceof ShadowRoot ? root : null\n  }\n\n  if (element instanceof ShadowRoot) {\n    return element\n  }\n\n  // when we don't find a shadow root\n  if (!element.parentNode) {\n    return null\n  }\n\n  return findShadowRoot(element.parentNode)\n}\n\nconst...