* escapes only the following five ASCII characters: {@code '"&<>}.
   */
  public static Escaper htmlEscaper() {
    return HTML_ESCAPER;
  }

  // For each xxxEscaper() method, please add links to external reference pages
  // that are considered authoritative for the behavior of that escaper.

  private static final Escaper HTML_ESCAPER =
      Escapers.builder()

import com.google.errorprone.annotations.DoNotMock;
import java.util.Map;
import org.jspecify.annotations.NonNull;
import org.jspecify.annotations.Nullable;

/**
 * A map, each entry of which maps a Java <a href="http://tinyurl.com/2cmwkz">raw type</a> to an
 * instance of that type. In addition to implementing {@code Map}, the additional type-safe

    @Mock
    private BufferCache mockBufferCache;

    private TestBufferCacheImpl testCache;

    @BeforeEach
    void setUp() {
        testCache = new TestBufferCacheImpl(5, 1024); // 5 buffers of 1KB each
    }

    @Test
    @DisplayName("BufferCache interface should define correct method signatures")
    void testInterfaceContract() {
        // Given
        BufferCache cache = mockBufferCache;

<img src="/img/tutorial/sub-applications/image02.png">

If you try interacting with any of the two user interfaces, they will work correctly, because the browser will be able to talk to each specific app or sub-app.

### Technical Details: `root_path` { #technical-details-root-path }

var KafkaSHA512 scram.HashGeneratorFcn = sha512.New

// XDGSCRAMClient implements the client-side of an authentication
// conversation with a server.  A new conversation must be created for
// each authentication attempt.
type XDGSCRAMClient struct {
	*scram.Client
	*scram.ClientConversation
	scram.HashGeneratorFcn
}

// Begin constructs a SCRAM client component based on a given hash.Hash

    }

    private byte[] createDfsReferralBufferWithMultipleReferrals(int numReferrals) {
        // Each referral structure needs 20 bytes, plus string data
        int referralSize = 20;
        int referralsDataSize = numReferrals * referralSize;

        // Add space for string data for each referral
        String testPath = "\\server\\share";

	switch op {
	case policyCondEqual:
		return input1 == input2
	case policyCondStartsWith:
		return strings.HasPrefix(input1, input2)
	}
	return false
}

// S3 docs: "Each form field that you specify in a form (except x-amz-signature, file, policy, and field names
// that have an x-ignore- prefix) must appear in the list of conditions."

/**
 * A one-shot stream from the origin server to the client application with the raw bytes of the
 * response body. Each response body is supported by an active connection to the webserver. This
 * imposes both obligations and limits on the client application.
 *
 * ### The response body must be closed.
 *
 * Each response body is backed by a limited resource like a socket (live network responses) or

            contexts[2] = new TestCreateContextResponse("CONTEXT3".getBytes(StandardCharsets.UTF_8));

            // Decode each context
            for (int i = 0; i < contexts.length; i++) {
                contexts[i].decode(buffer, i * 100, 50);
            }

            // Verify each context
            for (int i = 0; i < contexts.length; i++) {
                assertNotNull(contexts[i].getName());

    /*
     * We don't "need" to schedule a countDown() call at all here, but by doing
     * so, we come the closest we can to testing that the wait time is
     * appropriately decreased on each progressive await() call.
     */
    TimedLatch latch = new TimedLatch(/* countdownInMillis= */ LONG_DELAY_MS);
    repeatedlyInterruptTestThread(tearDownStack);
    latch.awaitUnsuccessfully(70);