import org.gradle.tooling.internal.protocol.events.InternalProblemDescriptor;
import org.gradle.tooling.internal.protocol.problem.InternalProblemDetailsVersion2;

@NonNullApi
public class DefaultProblemEvent extends AbstractProgressEvent<InternalProblemDescriptor> implements InternalProblemEventVersion2 {
    private final InternalProblemDetailsVersion2 details;

    public DefaultProblemEvent(
        InternalProblemDescriptor descriptor,

 * limitations under the License.
 */

package org.gradle.internal.build.event.types;

import org.gradle.tooling.internal.protocol.events.InternalStatusEvent;

public class DefaultStatusEvent extends AbstractProgressEvent<DefaultFileDownloadDescriptor> implements InternalStatusEvent {
    private final long progress;
    private final long total;
    private final String units;

import org.gradle.tooling.internal.protocol.events.InternalTestOutputEvent;
import org.gradle.tooling.internal.protocol.events.InternalTestOutputResult;

public class DefaultTestOutputEvent extends AbstractProgressEvent<InternalOperationDescriptor> implements InternalTestOutputEvent {

    private final InternalOperationDescriptor descriptor;
    private final InternalTestOutputResult result;

# Adding new progress event

* project `build-events`
  * `org.gradle.internal.build.event.types` 
     * `public class Default*Event extends AbstractProgressEvent<Internal*Descriptor> implements Serializable, Internal*Event`
     * `public class Default*Descriptor implements Serializable, Internal*Descriptor`
* project `tooling-api`
  * `org.gradle.tooling.internal.protocol`

Class <org.gradle.internal.build.event.types.AbstractProgressEvent> is not annotated (directly or via its package) with @org.gradle.api.NonNullApi in (AbstractProgressEvent.java:0)