We are going to start from where we left in the previous chapter and increment it.

## About JWT { #about-jwt }

JWT means "JSON Web Tokens".

It's a standard to codify a JSON object in a long dense string without spaces. It looks like this:

```
eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9.eyJzdWIiOiIxMjM0NTY3ODkwIiwibmFtZSI6IkpvaG4gRG9lIiwiaWF0IjoxNTE2MjM5MDIyfQ.SflKxwRJSMeKKF2QT4fwpMeJf36POk6yJV_adQssw5c
```

////

## Citações em trechos de código { #quotes-in-code-snippets }

//// tab | Teste

`pip install "foo[bar]"`

Exemplos de literais de string em trechos de código: `"this"`, `'that'`.

Um exemplo difícil de literais de string em trechos de código: `f"I like {'oranges' if orange else "apples"}"`

    }

    @Test
    public void test_nullSafeLogout() {
        SpnegoAuthenticator authenticator = new SpnegoAuthenticator();

        // SPNEGO logout should return null (relies on Kerberos infrastructure)
        String logoutUrl = authenticator.logout(null);
        assertNull(logoutUrl);
    }

    @Test
    public void test_nullSafeGetResponse() {
        SpnegoAuthenticator authenticator = new SpnegoAuthenticator();

      } else {
        return false;
      }
    }

    private DummyProxy identity() {
      return DummyProxy.this;
    }

    @Override
    public String toString() {
      return "Dummy proxy for " + interfaceType;
    }

    // Since type variables aren't serializable, reduce the type down to raw type before
    // serialization.

        dstIndex += 8;
        SMBUtil.writeInt4(this.attributes, dst, dstIndex);
        dstIndex += 4;
        dstIndex += 4;
        return dstIndex - start;
    }

    @Override
    public String toString() {
        return ("SmbQueryFileBasicInfo[" + "createTime=" + new Date(this.createTime) + ",lastAccessTime=" + new Date(this.lastAccessTime)

            @Override
            public int hashCode() {
                return Objects.hash(repository, artifacts, retryFailedDeploymentCount);
            }

            @Override
            public String toString() {
                return "ArtifactDeployerRequest[" + "repository="
                        + repository + ", artifacts="
                        + artifacts + ", retryFailedDeploymentCount="

		return
	default:
		// This user struct will leverage the existing users table, but override
		// the Name field to default to null.
		type user struct {
			gorm.Model
			Name string `gorm:"default:null"`
		}
		u1 := user{}

		if results := DB.Create(&u1); results.Error != nil {
			t.Fatalf("errors happened on create: %v", results.Error)
		} else if results.RowsAffected != 1 {

		uint8PtrValue    = &uint8Value
		uint16PtrValue   = &uint16Value
		uint32PtrValue   = &uint32Value
		uint64PtrValue   = &uint64Value
		maxInt64Plus1Ptr = &maxInt64Plus1
	)
	tests := []struct {
		name    string
		value   interface{}
		want    interface{}
		wantErr bool
	}{
		{
			name:    "int",
			value:   intValue,
			want:    time.Unix(int64(intValue), 0).UTC(),
			wantErr: false,
		},
		{

  // TODO(lukes): provide overloads that take constant strings? Function<Runnable, String>s to
  // calculate names?

  /**
   * Creates an {@link Executor} that renames the {@link Thread threads} that its tasks run in.
   *
   * <p>The names are retrieved from the {@code nameSupplier} on the thread that is being renamed

    }

    @Test
    public void test_schemaLocation() {
        if (webXmlDocument == null) {
            return;
        }
        final Element root = webXmlDocument.getDocumentElement();
        final String schemaLocation = root.getAttributeNS("http://www.w3.org/2001/XMLSchema-instance", "schemaLocation");
        assertTrue("schemaLocation should reference web-app_6_1.xsd", schemaLocation.contains("web-app_6_1.xsd"));
    }