<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
  xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
  <modelVersion>4.0.0</modelVersion>
  <parent>
    <groupId>com.google.guava</groupId>
    <artifactId>guava-parent</artifactId>
    <version>26.0-android</version>
  </parent>
  <artifactId>failureaccess</artifactId>

Guava is a set of core Java libraries from Google that includes new collection
types (such as multimap and multiset), immutable collections, a graph library,
and utilities for concurrency, I/O, hashing, primitives, strings, and more! It
is widely used on most Java projects within Google, and widely used by many

              <url>https://static.javadoc.io/com.google.code.findbugs/jsr305/3.0.1/</url>
              <location>${project.basedir}/javadoc-link/jsr305</location>
            </offlineLink>
            <offlineLink>
              <url>https://static.javadoc.io/com.google.j2objc/j2objc-annotations/1.1/</url>
              <location>${project.basedir}/javadoc-link/j2objc-annotations</location>
            </offlineLink>

    <!-- Empty for all JDKs but 9-12 -->
    <maven-javadoc-plugin.additionalJOptions></maven-javadoc-plugin.additionalJOptions>
    <project.build.outputTimestamp>2024-01-02T00:00:00Z</project.build.outputTimestamp>
    <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
    <test.add.opens></test.add.opens>
    <test.add.args></test.add.args>
    <module.status>integration</module.status>

  <scope>test</scope>
</dependency>
```

To add a dependency using Gradle:

```gradle
dependencies {
  test 'com.google.guava:guava-testlib:33.1.0-jre'
}
```

## Links

-   [GitHub project](https://github.com/google/guava)
-   [Issue tracker: Report a defect or feature request](https://github.com/google/guava/issues/new)

 * @since 1.0
 */
@GwtCompatible(emulated = true)
@ElementTypesAreNonnullByDefault
public final class Callables {
  private Callables() {}

  /** Creates a {@code Callable} which immediately returns a preset value each time it is called. */
  public static <T extends @Nullable Object> Callable<T> returning(@ParametricNullness T value) {
    return () -> value;
  }

  /**

   * This is a big deal - we're talking factors of 2-8 in microbenchmarks, not just 10-20%. (This is
   * a hotspot optimizer bug, which should be fixed, but that's a separate, big project).
   *
   * The coding pattern above is heavily used in java.util, e.g. in ArrayList. There is a
   * RangeCheckMicroBenchmark in the JDK that was used to test this.
   *

        },
        {
          "group": "com.google.errorprone",
          "module": "error_prone_annotations",
          "version": {
            "requires": "${errorprone.version}"
          }
        }
      ],
      "files": [
        {
          "name": "${project.build.finalName}.jar",
          "url": "${project.build.finalName}.jar"
        }
      ],
      "capabilities": [
        {

 * href="https://github.com/ReactiveX/RxJava/wiki">RxJava</a> (supplemented with its <a
 * href="https://github.com/ReactiveX/RxAndroid">RxAndroid</a> extension if you are building for
 * Android) or <a href="https://projectreactor.io/">Project Reactor</a>. (For the basics of
 * translating code from using an event bus to using a reactive-streams framework, see these two
 * guides: <a href="https://blog.jkl.gg/implementing-an-event-bus-with-rxjava-rxbus/">1</a>, <a

 *       com.google.common.primitives.Ints#stringConverter Ints.stringConverter} or the {@linkplain
 *       #reverse reverse} views of these.
 *   <li>Convert between specific preset values using {@link
 *       com.google.common.collect.Maps#asConverter Maps.asConverter}. For example, use this to
 *       create a "fake" converter for a unit test. It is unnecessary (and confusing) to <i>mock</i>