* @return the username
     */
    public String getUsername() {
        return username;
    }

    /**
     * Returns the password in plain text or {@code null} if the raw password
     * hashes were used to construct this {@code NtlmPasswordAuthentication}
     * object which will be the case when NTLM HTTP Authentication is
     * used. There is no way to retrieve a users password in plain text unless

        .Builder()
        .code(200)
        .body("World!")
        .build(),
    )
    val call =
      client.newCall(
        Request
          .Builder()
          .url(server.url("/"))
          .post(body!!)
          .build(),
      )
    val response = call.execute()
    assertThat(response.body.string()).isEqualTo("World!")
    assertBytesReadWritten(
      listener,

}

func TestWriterAddFS(t *testing.T) {
	fsys := fstest.MapFS{
		"emptyfolder":          {Mode: 0o755 | os.ModeDir},
		"file.go":              {Data: []byte("hello")},
		"subfolder/another.go": {Data: []byte("world")},
		"symlink.go":           {Mode: 0o777 | os.ModeSymlink, Data: []byte("file.go")},
		// Notably missing here is the "subfolder" directory. This makes sure even
		// if we don't have a subfolder directory listed.
	}

### Kiểm tra

Mở trình duyệt của bạn tại <a href="http://127.0.0.1:8000" class="external-link" target="_blank">http://127.0.0.1:8000</a>.

Bạn sẽ thấy một JSON response như:

```JSON
{"message": "Hello World"}
```

### Tài liệu tương tác API

Bây giờ tới <a href="http://127.0.0.1:8000/docs" class="external-link" target="_blank">http://127.0.0.1:8000/docs</a>.

            chain.load(user);
            if (users.indexOf(user) % 2 == 0) {
                chain.delete(user);
            }
        }

        // Verify all operations were tracked
        assertEquals(10, chain.updateCalls.size());
        assertEquals(10, chain.changePasswordCalls.size());
        assertEquals(10, chain.loadCalls.size());
        assertEquals(5, chain.deleteCalls.size());

                stackTraceCount.incrementAndGet();
            }
        };

        ThreadDumpUtil.processThreadDump(countingConsumer);

        // Verify that multiple threads were processed
        assertTrue("Should process at least one thread", threadCount.get() >= 1);
        assertTrue("Should have stack trace elements", stackTraceCount.get() > 0);

            thread.start();
        }

        // Wait for all threads to complete
        for (Thread thread : threads) {
            thread.join();
        }

        // Check all providers were created successfully
        for (int i = 0; i < threadCount; i++) {
            assertNull("Thread " + i + " threw exception", exceptions[i]);
            assertNotNull("Thread " + i + " failed to create provider", providers[i]);

        // Assert
        assertEquals(6, result);
        assertEquals(200, response.getAvailable());
        assertEquals(TransPeekNamedPipeResponse.STATUS_LISTENING, response.getStatus());
        // Middle bytes were read but not used
    }

    @Test
    @DisplayName("Test consecutive reads update state correctly")
    void testConsecutiveReads() {
        // First read
        byte[] buffer1 = new byte[10];

    connections for HTTP/1.x. With this update the connection pool manages both
    idle and active connections for everything. OkHttp now detects and warns on
    connections that were allocated but never released, and will enforce HTTP/2
    stream limits. This update also fixes `Call.cancel()` to not do I/O on the
    calling thread.
 *  Fix: Don't log gzipped data in the logging interceptor.

//
//	slice = append(slice, elem1, elem2)
//	slice = append(slice, anotherSlice...)
//
// As a special case, it is legal to append a string to a byte slice, like this:
//
//	slice = append([]byte("hello "), "world"...)
func append(slice []Type, elems ...Type) []Type

// The copy built-in function copies elements from a source slice into a
// destination slice. (As a special case, it also will copy bytes from a