# `FastAPI` class

Here's the reference information for the `FastAPI` class, with all its parameters, attributes and methods.

You can import the `FastAPI` class directly from `fastapi`:

```python
from fastapi import FastAPI
```

::: fastapi.FastAPI
    options:
        members:
            - openapi_version
            - webhooks
            - state
            - dependency_overrides
            - openapi

                .orElse(OptionalEntity.empty());
    }

    /**
     * Retrieves a specific character mapping item by its ID from the specified dictionary.
     * <p>
     * This method looks up a character mapping item using its unique identifier
     * within the context of the specified dictionary.
     * </p>
     *
     * @param dictId the dictionary ID containing the character mapping item

     *
     * @return the value type if the return type of the method is a parameterized {@link Map}, otherwise {@literal null}
     */
    Class<?> getValueClassOfMap();

    /**
     * Invokes the method and returns its result.
     *
     * @param <T>
     *            the return type of the method
     * @param target
     *            the target object. Must not be {@literal null}
     * @param args

                .map(file -> OptionalEntity.of((StopwordsFile) file))
                .orElse(OptionalEntity.empty());
    }

    /**
     * Retrieves a specific stopword item by its ID.
     *
     * @param dictId The ID of the dictionary.
     * @param id     The ID of the stopword item.
     * @return An optional entity containing the stopword item, or empty if not found.
     */

                .map(file -> OptionalEntity.of((SynonymFile) file))
                .orElse(OptionalEntity.empty());
    }

    /**
     * Retrieves a specific synonym item by its ID.
     *
     * @param dictId The ID of the dictionary.
     * @param id     The ID of the synonym item.
     * @return An optional entity containing the synonym item, or empty if not found.
     */

REM FESS_JAVA_OPTS=%FESS_JAVA_OPTS% -Djavax.net.ssl.trustStore=/tech/elastic/config/truststore.jks
REM FESS_JAVA_OPTS=%FESS_JAVA_OPTS% -Djavax.net.ssl.trustStorePassword=changeit

REM Causes the JVM to dump its heap on OutOfMemory.
REM set FESS_JAVA_OPTS=%FESS_JAVA_OPTS% -XX:+HeapDumpOnOutOfMemoryError
REM The path to the heap dump location, note directory must exists and have enough
REM space for a full heap dump.

package org.apache.maven.building;

/**
 * Describes a problem that was encountered during settings building. A problem can either be an exception that was
 * thrown or a simple string message. In addition, a problem carries a hint about its source, e.g. the settings file
 * that exhibits the problem.
 *
 * @deprecated since 4.0.0, use {@link org.apache.maven.api.services} instead
 */
@Deprecated(since = "4.0.0")
class DefaultProblem implements Problem {

  + Check for unnecessary whitespace with `git diff --check` before committing.
+ Make sure you have added the necessary tests (JUnit/[Core IT tests][core-it]) for your changes.
+ Run all the tests with `mvn -Prun-its verify` to assure nothing else was accidentally broken.
+ Submit a pull request to the repository in the Apache organization.

If you plan to contribute on a regular basis, please consider filing a [contributor license agreement][cla].

    return list.get(list.size() - 1);
  }

  /**
   * Returns a view of {@code iterable} that skips its first {@code numberToSkip} elements. If
   * {@code iterable} contains fewer than {@code numberToSkip} elements, the returned iterable skips
   * all of its elements.
   *
   * <p>Modifications to the underlying {@link Iterable} before a call to {@code iterator()} are

                    try {
                        if (node.filterTrail(filter)) {
                            // If it was optional and not a direct dependency,
                            // we don't add it or its children, just allow the update of the version and artifactScope
                            if (node.isChildOfRootNode() || !artifact.isOptional()) {