# `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

/*
 * Copyright 2012-2025 CodeLibs Project and the Others.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,

        // Setup mock behavior
        CIFSException expectedException = new CIFSException("Watch operation failed");
        when(watchHandle.watch()).thenThrow(expectedException);

        // Execute and verify
        CIFSException thrown = assertThrows(CIFSException.class, () -> {
            watchHandle.watch();
        });

        assertEquals("Watch operation failed", thrown.getMessage());

 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.common.collect;

import com.google.common.annotations.GwtIncompatible;
import java.util.Iterator;
import java.util.NavigableSet;

            // * alternate between selecting a start and end date for the range,
            // * if the time picker is enabled, apply the hour/minute/second from the select boxes to the clicked date
            // * if autoapply is enabled, and an end date was chosen, apply the selection
            // * if single date picker mode, and time picker isn't enabled, apply the selection immediately

        @DisplayName("Should decode various sector and allocation configurations")
        @CsvSource({ "1000, 500, 600, 1, 512", // Minimal sectors per alloc
                "1000, 500, 600, 8, 512", // Typical configuration
                "1000, 500, 600, 64, 512", // Large allocation units
                "1000, 500, 600, 8, 4096", // 4K sectors
                "1000, 500, 600, 16, 4096", // Large sectors and allocation

jobs:
  create_release:
    name: Create Release
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Generate Release Notes and Publish
        id: generate_release_notes
        uses: release-drafter/release-drafter@v6
        with:
          config-name: 'release-drafter.yml'
          name: "Release ${{ github.ref_name }}"

        assertTrue(pythonJob.sessionId.length() >= 10);

        // The test doesn't actually call the real process since ServletContext.getRealPath returns null in test
        // and causes an exception which is caught and added to result
        assertTrue(result.contains("Session Id:"));
    }

    // Test execute with custom session ID
    public void test_execute_withCustomSessionId() {

 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
 * or implied. See the License for the specific language governing permissions and limitations under
 * the License.
 */

package com.google.common.util.concurrent;

import static com.google.common.base.Verify.verify;
import static com.google.common.util.concurrent.Internal.toNanosSaturated;

 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.common.reflect;

import static com.google.common.truth.Truth.assertThat;
import static org.junit.Assert.assertThrows;

import java.io.Serializable;