classpathBuilder
                );
                creator.create(file, classpath);
            }

            @Override
            public BuildOperationDescriptor.Builder description() {
                return BuildOperationDescriptor
                    .displayName("Generate " + file)
                    .progressDisplayName("Generating " + file.getName());
            }
        }));

        Operation(UserCodeApplicationId applicationId) {
            this.applicationId = applicationId;
        }

        @Override
        public BuildOperationDescriptor.Builder description() {
            return BuildOperationDescriptor
                .displayName("Execute container callback action")
                .details(new OperationDetails(applicationId));
        }
    }

                        return metadata;
                    }
                }

                @Override
                public BuildOperationDescriptor.Builder description() {
                    return BuildOperationDescriptor.displayName("Unpack build cache entry " + key.getHashCode())
                        .details(new UnpackOperationDetails(key, file.length()))

                operationContext.setResult(Operation.Result.INSTANCE);
                return result;
            }

            @Override
            public BuildOperationDescriptor.Builder description() {
                return BuildOperationDescriptor
                    .displayName("Executing " + work.getDisplayName())
                    .details(new Operation.Details() {
                        @Override

                return buildOperationRunner.call(new CallableBuildOperation<T>() {
                    @Override
                    public BuildOperationDescriptor.Builder description() {
                        return BuildOperationDescriptor.displayName("Start deployment '" + name + "'");
                    }

                    @Override
                    public T call(BuildOperationContext context) {

    /**
     * Starts an operation that can be finished later.
     *
     * When a parent operation is finished any unfinished child operations will be failed.
     */
    BuildOperationContext start(BuildOperationDescriptor.Builder descriptor);

    /**
     * Executes the given build operation with the given worker, returns the result.
     */

import org.gradle.execution.plan.LocalTaskNode
import org.gradle.internal.build.event.types.DefaultTestDescriptor
import org.gradle.internal.operations.BuildOperationAncestryTracker
import org.gradle.internal.operations.BuildOperationDescriptor
import org.gradle.internal.operations.OperationFinishEvent
import org.gradle.internal.operations.OperationIdentifier
import org.gradle.internal.operations.OperationStartEvent

import org.gradle.internal.build.event.types.DefaultTestOutputEvent;
import org.gradle.internal.build.event.types.DefaultTestOutputResult;
import org.gradle.internal.operations.BuildOperationDescriptor;
import org.gradle.internal.operations.BuildOperationIdFactory;
import org.gradle.internal.operations.BuildOperationListener;
import org.gradle.internal.operations.OperationFinishEvent;

import org.gradle.api.tasks.testing.TestOutputEvent
import org.gradle.api.tasks.testing.TestResult
import org.gradle.internal.operations.BuildOperationIdFactory
import org.gradle.internal.operations.BuildOperationDescriptor
import org.gradle.internal.operations.BuildOperationListener
import org.gradle.internal.time.Clock
import spock.lang.Specification

class TestListenerBuildOperationAdapterTest extends Specification {

                        deleter.deleteRecursively(file);
                    }
                }

                @Override
                public BuildOperationDescriptor.Builder description() {
                    return BuildOperationDescriptor
                        .displayName(CLEAN_STALE_OUTPUTS_DISPLAY_NAME)
                        .progressDisplayName("Cleaning stale outputs");
                }
            });