# `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

import java.util.Locale;

/**
 * Methods factored out so that they can be emulated differently in GWT.
 *
 * <p>This class is emulated in GWT.
 *
 * @author Hayward Chan
 */
@GwtCompatible
final class Platform {
  static <T> T[] clone(T[] array) {
    return array.clone();
  }

  // Class.cast is not supported in GWT.  This method is a no-op in GWT.

import java.util.Locale;

/**
 * Methods factored out so that they can be emulated differently in GWT.
 *
 * <p>This class is emulated in GWT.
 *
 * @author Hayward Chan
 */
@GwtCompatible
final class Platform {
  static <T> T[] clone(T[] array) {
    return array.clone();
  }

  // Class.cast is not supported in GWT.  This method is a no-op in GWT.

package com.google.common.graph;

import com.google.common.annotations.Beta;
import java.util.Set;

/**
 * Supertype for {@link Graphs}, containing the old signatures of methods whose signatures we've
 * changed. This provides binary compatibility for users who compiled against the old signatures.
 */
@Beta
abstract class GraphsBridgeMethods {

  @SuppressWarnings("PreferredInterfaceType")

  tensorflow::Session* session;
  TF_Graph* const graph;

  tensorflow::mutex mu TF_ACQUIRED_AFTER(TF_Graph::mu);
  int last_num_graph_nodes;

  // If true, TF_SessionRun and similar methods will call
  // ExtendSessionGraphHelper before running the graph (this is the default
  // public behavior). Can be set to false if the caller needs to call
  // ExtendSessionGraphHelper manually.

import java.nio.charset.StandardCharsets;
import java.util.ArrayList;
import java.util.List;
import org.jspecify.annotations.Nullable;

/**
 * Provides utility methods for working with resources in the classpath. Note that even though these
 * methods use {@link URL} parameters, they are usually not appropriate for HTTP or other
 * non-classpath resources.
 *
 * @author Chris Nokleberg
 * @author Ben Yu
 * @author Colin Decker

  val subjectPublicKey: BitString,
)

@IgnoreJRERequirement // As of AGP 3.4.1, D8 desugars API 24 hashCode methods.
internal data class Extension(
  val id: String,
  val critical: Boolean,
  val value: Any?,
)

@IgnoreJRERequirement // As of AGP 3.4.1, D8 desugars API 24 hashCode methods.
internal data class BasicConstraints(
  /** True if this certificate can be used as a Certificate Authority (CA). */

    for (Method method : getInstanceMethodsToTest(instance.getClass(), minimalVisibility)) {
      testMethod(instance, method);
    }
  }

  ImmutableList<Method> getInstanceMethodsToTest(Class<?> c, Visibility minimalVisibility) {
    ImmutableList.Builder<Method> builder = ImmutableList.builder();
    for (Method method : minimalVisibility.getInstanceMethods(c)) {

            return false;
        }

        UpgradedProperty method = currentMethods.get(AccessorKey.ofNewMethod(jApiMethod));
        if (method != null) {
            String propertyName = method.getPropertyName();
            String isGetterName = "is" + Character.toUpperCase(propertyName.charAt(0)) + propertyName.substring(1);
            return method.getReplacedAccessors().stream()

package com.google.common.graph;

import com.google.common.annotations.Beta;
import java.util.Set;

/**
 * Supertype for {@link Graphs}, containing the old signatures of methods whose signatures we've
 * changed. This provides binary compatibility for users who compiled against the old signatures.
 */
@Beta
abstract class GraphsBridgeMethods {

  @SuppressWarnings("PreferredInterfaceType")