# Reference

Here's the reference or code API, the classes, functions, parameters, attributes, and
all the FastAPI parts you can use in your applications.

If you want to **learn FastAPI** you are much better off reading the

| [Corretto]       | ✅      | ✅           | [OpenSSL]       | Amazon's high-performance provider. [Tracking bug.][bug5592] |

All providers support HTTP/1.1 and TLSv1.2.


[BoringSSL]: https://boringssl.googlesource.com/boringssl/
[Bouncy Castle]: https://www.bouncycastle.org/java.html
[Conscrypt]: https://www.conscrypt.org/

 *   <li>notification of evicted (or otherwise removed) entries
 *   <li>accumulation of cache access statistics
 * </ul>
 *
 * <p>These features are all optional; caches can be created using all or none of them. By default,
 * cache instances created by {@code CacheBuilder} will not perform any type of eviction.
 *
 * <p>Usage example:
 *
 * {@snippet :

classifies the variable (package-level, local, receiver, parameter,
result, or struct field). See issue #70250.

Callers of `NewVar` or `NewParam` are encouraged to call `Var.SetKind`

// Copyright 2012 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

package p3

type ThirdBase struct{}

func (tb *ThirdBase) GoodPlayer() (i, j, k int)

It is also built to work as a future reference so you can come back and see exactly what you need.

## Run the code { #run-the-code }

All the code blocks can be copied and used directly (they are actually tested Python files).

To run any of the examples, copy the code to a file `main.py`, and start `fastapi dev` with:

<div class="termy">

```console

# `APIRouter` class

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

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

```python
from fastapi import APIRouter
```

::: fastapi.APIRouter
    options:
        members:
            - websocket
            - include_router
            - get
            - put
            - post
            - delete

# Set to true to add reviewers to pull requests
addReviewers: false

# Set to true to add assignees to pull requests
addAssignees: author

# A number of assignees to add to the pull request
# Set to 0 to add all of the assignees.
# Uses numberOfReviewers if unset.

The [`NewMultiHandler`](/pkg/log/slog#NewMultiHandler) function creates a
[`MultiHandler`](/pkg/log/slog#MultiHandler) that invokes all the given Handlers.
Its `Enable` method reports whether any of the handlers' `Enabled` methods
return true.
Its `Handle`, `WithAttr` and `WithGroup` methods call the corresponding method

## Community Contribution License
All community contributions in this pull request are licensed to the project maintainers
under the terms of the [Apache 2 license](https://www.apache.org/licenses/LICENSE-2.0). 
By creating this pull request I represent that I have the right to license the 
contributions to the project maintainers under the Apache 2 license.

## Description


## Motivation and Context


## How to test this PR?