* by a G, selecting appropriate tests by matching them against specified features.
 *
 * @param <B> The concrete type of this builder (the 'self-type'). All the Builder methods of this
 *     class (such as {@link #named}) return this type, so that Builder methods of more derived
 *     classes can be chained onto them without casting.
 * @param <G> The type of the generator to be passed to testers in the generated test suite. An

 * well as a simple framework for helping to make sure that assertions failing in generated threads
 * cause the associated test that generated them to itself fail (which JUnit does not otherwise
 * arrange). The rules for creating such tests are:
 *
 * <ol>
 *   <li>All assertions in code running in generated threads must use the forms {@link
 *       #threadUnexpectedException} or {@link #threadRecordFailure} (which is called by {@link

 * and then resolving the artifacts.</p>
 *
 * <h3>Repositories</h3>
 *
 * <p>In Maven, <dfn>{@linkplain org.apache.maven.api.Repository repositories}</dfn> are locations where project artifacts (such as JAR files, POM files, and other
 * resources) are stored and retrieved. There are two primary types of repositories:<ul>

		}
	}

	return &LockedFile{File: f}, nil
}

// TryLockedOpenFile - tries a new write lock, functionality
// it is similar to LockedOpenFile with with syscall.LOCK_EX
// mode but along with syscall.LOCK_NB such that the function
// doesn't wait forever but instead returns if it cannot
// acquire a write lock.
func TryLockedOpenFile(path string, flag int, perm os.FileMode) (*LockedFile, error) {

  }

  /**
   * Tests that events are distributed to any subscribers to their type or any supertype, including
   * interfaces and superclasses.
   *
   * <p>Also checks delivery ordering in such cases.
   */
  public void testPolymorphicDistribution() {
    // Three catchers for related types String, Object, and Comparable<?>.
    // String isa Object
    // String isa Comparable<?>
    // Comparable<?> isa Object

   * new value.
   *
   * <p><b>Warning:</b> this method silently converts checked exceptions to unchecked exceptions,
   * and should not be used with cache loaders which throw checked exceptions. In such cases use
   * {@link #get} instead.
   *
   * @throws UncheckedExecutionException if an exception was thrown while loading the value. (As

  }

  /**
   * Tests that events are distributed to any subscribers to their type or any supertype, including
   * interfaces and superclasses.
   *
   * <p>Also checks delivery ordering in such cases.
   */
  public void testPolymorphicDistribution() {
    // Three catchers for related types String, Object, and Comparable<?>.
    // String isa Object
    // String isa Comparable<?>
    // Comparable<?> isa Object

   * CacheLoader#reload} using {@code executor}.
   *
   * <p>This method is useful only when {@code loader.reload} has a synchronous implementation, such
   * as {@linkplain #reload the default implementation}.
   *
   * @since 17.0
   */
  @GwtIncompatible // Executor + Futures
  public static <K, V> CacheLoader<K, V> asyncReloading(

 * equality for both keys and values. This may not be the desired behavior for map implementations
 * that use non-standard notions of key equality, such as a {@code SortedMap} whose comparator is
 * not consistent with {@code equals}.
 *
 * <p>The {@code standard} methods and the collection views they return are not guaranteed to be

```
https://yourapi.com/invoices/?callback_url=https://www.external.org/events
```

con un JSON body de:

```JSON
{
    "id": "2expen51ve",
    "customer": "Mr. Richie Rich",
    "total": "9999"
}
```

luego *tu API* procesará la factura y, en algún momento después, enviará un request de callback al `callback_url` (la *API externa*):

```