```

But know that this is deprecated and it should be updated to use the new parameter `pattern`. 🤓

## Default values

You can, of course, use default values other than `None`.

Let's say that you want to declare the `q` query parameter to have a `min_length` of `3`, and to have a default value of `"fixedquery"`:

=== "Python 3.9+"

not be compiled separately, but, if these header files are changed,
the package (including its non-Go source files) will be recompiled.
Note that changes to files in other directories do not cause the package
to be recompiled, so all non-Go source code for the package should be
stored in the package directory, not in subdirectories.
The default C and C++ compilers may be changed by the CC and CXX

  - *apiserver_cache_list_fetched_objects_total*: Counter of objects read from watch cache in the course of serving a LIST request, broken down by resource_prefix and index_name
  - *apiserver_cache_list_evaluated_objects_total*: Counter of objects tested in the course of serving a LIST request from watch cache, broken down by resource_prefix

 * standard JDK exceptions such as {@link java.util.NoSuchElementException} or {@link
 * UnsupportedOperationException} in the situations they are intended for.
 *
 * <h3>Non-preconditions</h3>
 *
 * <p>It is of course possible to use the methods of this class to check for invalid conditions
 * which are <i>not the caller's fault</i>. Doing so is <b>not recommended</b> because it is

<!-- BEGIN MUNGE: GENERATED_TOC -->

- [v1.28.9](#v1289)
  - [Downloads for v1.28.9](#downloads-for-v1289)
    - [Source Code](#source-code)
    - [Client Binaries](#client-binaries)
    - [Server Binaries](#server-binaries)
    - [Node Binaries](#node-binaries)
    - [Container Images](#container-images)
  - [Changelog since v1.28.8](#changelog-since-v1288)
  - [Important Security Information](#important-security-information)

import java.io.InputStream;

/**
 * Provides access to the contents of a source independently of the backing store (e.g. file system, database, memory).
 *
 */
public interface Source {

    /**
     * Gets a byte stream to the source contents. Closing the returned stream is the responsibility of the caller.
     *
     * @return A byte stream to the source contents, never {@code null}.
     * @throws IOException in case of IO issue

### Internal

* 🔧 Update sponsors badge, course bundle. PR [#3340](https://github.com/tiangolo/fastapi/pull/3340) by [@tiangolo](https://github.com/tiangolo).
* 🔧 Add new gold sponsor Jina 🎉. PR [#3291](https://github.com/tiangolo/fastapi/pull/3291) by [@tiangolo](https://github.com/tiangolo).

 * @see org.apache.maven.api.services.ProjectBuilder#build(Session, Source)
 * @see org.apache.maven.api.services.SettingsBuilder#build(Session, Source, Source, Source)
 * @see org.apache.maven.api.services.ToolchainsBuilder#build(Session, Source, Source)
 */
@Experimental
public interface Source {

    /**
     * Provides access the file to be parsed, if this source is backed by a file.
     *

Robert Scholte <******@****.***> 1419621788 +0100

    img: https://fastapi.tiangolo.com/img/sponsors/svix.svg
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    title: Take code reviews from hours to minutes
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bronze:
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    title: Biosecurity risk assessments made easy.