*
 * Each instance processes a single event on [call], and then adds a successor [EventListenerRelay]
 * on the same [call] to process the next event.
 *
 * By forcing the list of listeners to change after every event, we can detect if buggy code caches
 * a stale [EventListener] in a field or local variable.
 */
class EventListenerRelay(
  val call: Call,

Because the available values for the *path parameter* are predefined, the interactive docs can show them nicely:

<img src="/img/tutorial/path-params/image03.png">

### Working with Python *enumerations* { #working-with-python-enumerations }

The value of the *path parameter* will be an *enumeration member*.

#### Compare *enumeration members* { #compare-enumeration-members }

/**
 * Form class for editing data crawling configurations in the admin interface.
 * This form extends CreateForm to include fields necessary for updating existing data config entries,
 * including tracking information for optimistic locking and audit trails.
 * Data configs define how to crawl and extract data from databases, CSV files, and other data sources.
 *
 */
public class EditForm extends CreateForm {

    /**

/**
 * Form class for editing user groups in the admin interface.
 * This form extends CreateForm to include fields necessary for updating existing group entries,
 * including tracking information for optimistic locking and audit trails.
 * Groups are used to organize users and define access permissions.
 *
 */
public class EditForm extends CreateForm {

    /**
     * Creates a new EditForm instance.
     */

/**
 * Form class for editing path mapping configurations in the admin interface.
 * This form extends CreateForm to include fields necessary for updating existing path map entries,
 * including tracking information for optimistic locking and audit trails.
 * Path mappings are used to transform document URLs and paths during indexing and display.
 *
 */
public class EditForm extends CreateForm {

    /**
     * Creates a new EditForm instance.

 * Form class for editing related content configurations in the admin interface.
 * This form extends CreateForm to include fields necessary for updating existing related content entries,
 * including tracking information for optimistic locking and audit trails.
 * Related content configurations define relationships between documents for enhanced search results.
 *
 */
public class EditForm extends CreateForm {

    /**

 * This form extends CreateForm to include fields necessary for updating existing web authentication entries,
 * including tracking information for optimistic locking and audit trails.
 * Web authentication configurations define credentials for accessing protected web resources during crawling.
 */
public class EditForm extends CreateForm {

    /**

# (5)!
COPY ./app /code/app

# (6)!
CMD ["fastapi", "run", "app/main.py", "--port", "80"]
```

1. Start from the official Python base image.

2. Set the current working directory to `/code`.

    This is where we'll put the `requirements.txt` file and the `app` directory.

3. Copy the file with the requirements to the `/code` directory.

    void testCalculationOfBuildPlanWithIndividualTaskWherePluginIsSpecifiedInThePom() throws Exception {
        // We are doing something like "mvn resources:resources" where no version is specified but this
        // project we are working on has the version specified in the POM so the version should come from there.
        File pom = getProject("project-basic");
        MavenSession session = createMavenSession(pom);

import java.util.function.Supplier;

import org.apache.maven.api.annotations.Nonnull;

import static java.util.Objects.requireNonNull;

/**
 * A thin wrapper for a {@link Path} that serves as "current working directory" value. Hence, this class
 * is mutable (as CWD may be changed), but allows transition only to existing directories.
 */
public final class CWD implements Supplier<Path> {
    /**