import com.google.errorprone.annotations.CanIgnoreReturnValue;
import org.junit.Ignore;

/**
 * A generic JUnit test which tests conditional {@code setCount()} operations on a multiset. Can't
 * be invoked directly; please see {@link MultisetTestSuiteBuilder}.
 *
 * @author Chris Povirk
 */
@GwtCompatible
@Ignore("test runners must not instantiate and run this directly, only via suites we build")

import java.util.ConcurrentModificationException;
import java.util.Iterator;
import java.util.List;
import org.junit.Ignore;

/**
 * A generic JUnit test which tests {@code remove(int)} operations on a list. Can't be invoked
 * directly; please see {@link com.google.common.collect.testing.ListTestSuiteBuilder}.
 *
 * @author Chris Povirk
 */
@GwtCompatible

            List<ArtifactRepository> remoteRepositories,
            ArtifactMetadataSource source,
            ArtifactFilter filter)
            throws ArtifactResolutionException, ArtifactNotFoundException;

    // USED BY INVOKER PLUGIN
    @Deprecated
    ArtifactResolutionResult resolveTransitively(
            Set<Artifact> artifacts,
            Artifact originatingArtifact,
            List<ArtifactRepository> remoteRepositories,

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.cling.invoker;

import java.nio.file.Path;
import java.util.Arrays;

import org.apache.commons.cli.ParseException;
import org.apache.maven.api.cli.InvokerRequest;
import org.apache.maven.api.cli.Options;

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.cling.invoker;

import java.nio.file.Path;
import java.util.List;
import java.util.Map;
import java.util.Optional;

import org.apache.maven.api.annotations.Nonnull;
import org.apache.maven.api.annotations.Nullable;

Nesse caso, é a `str`:

```Python
"{$callback_url}/invoices/{$request.body.id}"
```

Então, se o usuário da sua API (o desenvolvedor externo) enviar um request para *sua API* para:

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

com um corpo JSON de:

```JSON
{
    "id": "2expen51ve",

import com.google.common.collect.testing.features.CollectionSize;
import org.junit.Ignore;

/**
 * A generic JUnit test which tests {@code contains()} operations on a collection. Can't be invoked
 * directly; please see {@link com.google.common.collect.testing.CollectionTestSuiteBuilder}.
 *
 * @author Kevin Bourrillion
 * @author Chris Povirk
 */
@GwtCompatible

import com.google.common.collect.testing.features.CollectionSize;
import org.junit.Ignore;

/**
 * A generic JUnit test which tests {@code retainAll} operations on a list. Can't be invoked
 * directly; please see {@link com.google.common.collect.testing.ListTestSuiteBuilder}.
 *
 * @author Chris Povirk
 */
@GwtCompatible

 * KIND, either express or implied.  See the License for the
 * specific language governing permissions and limitations
 * under the License.
 */
package org.apache.maven.cling.invoker.mvnup;

import java.nio.charset.Charset;

import org.jline.terminal.Terminal;

/**
 * Console icons for Maven upgrade tool output.
 * Each icon has a Unicode character and an ASCII fallback.

import com.google.errorprone.annotations.CanIgnoreReturnValue;
import org.junit.Ignore;

/**
 * A generic JUnit test which tests conditional {@code setCount()} operations on a multiset. Can't
 * be invoked directly; please see {@link MultisetTestSuiteBuilder}.
 *
 * @author Chris Povirk
 */
@GwtCompatible
@Ignore("test runners must not instantiate and run this directly, only via suites we build")