You can use all the [Starlette](https://www.starlette.dev/) functionality with `FastAPI` too.

///

### Step 2: create a `FastAPI` "instance" { #step-2-create-a-fastapi-instance }

{* ../../docs_src/first_steps/tutorial001_py310.py hl[3] *}

Here the `app` variable will be an "instance" of the class `FastAPI`.

This will be the main point of interaction to create all your API.

 * text processing, preserving their original form in search indexes.
 *
 */
public class CreateForm {

    /**
     * Creates a new CreateForm instance.
     */
    public CreateForm() {
        // Default constructor
    }

    /** Dictionary identifier */
    @Required
    public String dictId;

    /** CRUD operation mode (CREATE, EDIT, etc.) */

 *
 * @author higa
 */
public class DateConverter implements Converter {

    /**
     * The date pattern.
     */
    protected String pattern;

    /**
     * Constructs an instance.
     *
     * @param pattern
     *            the date pattern
     */
    public DateConverter(final String pattern) {
        assertArgumentNotEmpty("pattern", pattern);
        this.pattern = pattern;
    }

import jakarta.validation.constraints.Size;

/**
 * The create form for Group.
 *
 */
public class CreateForm {

    /**
     * Creates a new CreateForm instance.
     */
    public CreateForm() {
    }

    /**
     * The CRUD mode for the form.
     */
    @ValidateTypeFailure
    public Integer crudMode;

    /**
     * The name of the group.

     */
    @Nonnull
    Optional<Boolean> help();

    /**
     * Returns a new instance of {@link Options} with values interpolated using the given properties.
     *
     * @param callback the callback to use for interpolation
     * @return a new {@link Options} instance with interpolated values
     */
    @Nonnull
    Options interpolate(@Nonnull UnaryOperator<String> callback);

 * Extends CreateForm to inherit validation and field definitions.
 */
public class CreateBody extends CreateForm {

    /**
     * Creates a new CreateBody instance.
     */
    public CreateBody() {
    }

/**
 * Request body for creating request header via REST API.
 * Extends CreateForm to inherit validation and field definitions.
 */
public class CreateBody extends CreateForm {

    /**
     * Creates a new CreateBody instance.
     */
    public CreateBody() {
    }

  specific language governing permissions and limitations
  under the License.
-->
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>

  <parent>
    <groupId>org.apache.maven</groupId>

import org.eclipse.aether.util.version.GenericVersionScheme;
import org.eclipse.aether.version.VersionScheme;

/**
 * Default version scheme provider: provides singleton {@link GenericVersionScheme} instance.
 *
 * @deprecated since 4.0.0, use {@code maven-api-impl} jar instead
 */
@Singleton
@Named
@Deprecated(since = "4.0.0")
public final class DefaultVersionSchemeProvider implements Provider<VersionScheme> {

specific language governing permissions and limitations
under the License.
-->

<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <parent>
    <groupId>inheritance</groupId>
    <artifactId>empty</artifactId>