} finally {
                context.setResult(LIST_RESULT);
            }
        }

        @Override
        public BuildOperationDescriptor.Builder description() {
            return BuildOperationDescriptor
                .displayName("List " + parent.getUri())
                .details(new ListOperationDetails(parent.getUri()));
        }
    }

                    parameters.outputFile.get().asFile
                }

                void started(BuildOperationDescriptor buildOperation, OperationStartEvent startEvent) {}

                void progress(OperationIdentifier operationIdentifier, OperationProgressEvent progressEvent) {}

                void finished(BuildOperationDescriptor buildOperation, OperationFinishEvent finishEvent) {}
            }

    }

    private BuildOperationDescriptor.Builder createBuildOperationDetails(ExternalResourceName resourceName) {
        ExternalResourceReadBuildOperationType.Details operationDetails = new ReadOperationDetails(resourceName.getUri());
        return BuildOperationDescriptor
            .displayName("Download " + resourceName.getUri())

                    }
                });
            }
        }

        @Override
        public BuildOperationDescriptor.Builder description() {
            return BuildOperationDescriptor
                .displayName("Upload " + destination.getUri())
                .progressDisplayName(destination.getShortDisplayName())

                context.setResult(RESULT);
            }

            @Override
            public BuildOperationDescriptor.Builder description() {
                String stage = transformer.getStage();
                String name = "Compile " + source.getShortDisplayName() + " (" + stage + ")";
                return BuildOperationDescriptor.displayName(name)
                    .name(name)
                    .details(new Details(stage));

                    }
                    return result;
                }

                @Override
                public BuildOperationDescriptor.Builder description() {
                    return BuildOperationDescriptor.displayName("Run build").details(DETAILS);
                }
            });
        } finally {
            buildOperationNotificationValve.stop();
        }
    }

                }
            });
        }

        @Override
        public BuildOperationDescriptor.Builder description() {
            return configureProjectBuildOperationBuilderFor(this.project);
        }
    }

    private static BuildOperationDescriptor.Builder configureProjectBuildOperationBuilderFor(ProjectInternal projectInternal) {

                        : LoadOperationMissResult.INSTANCE
                );
            }

            @Override
            public BuildOperationDescriptor.Builder description() {
                return BuildOperationDescriptor.displayName(description)
                    .details(new LoadOperationDetails(key))
                    .progressDisplayName("Requesting from remote build cache");
            }

import org.gradle.api.internal.tasks.RealizeTaskBuildOperationType;
import org.gradle.api.internal.tasks.RegisterTaskBuildOperationType;
import org.gradle.internal.operations.BuildOperationDescriptor;
import org.gradle.internal.operations.OperationFinishEvent;
import org.gradle.internal.operations.OperationStartEvent;
import org.gradle.tooling.internal.protocol.events.InternalPluginIdentifier;

    }

    void started(BuildOperationDescriptor buildOperation, OperationStartEvent startEvent);

    void finished(BuildOperationDescriptor buildOperation, OperationFinishEvent finishEvent);

    /**
     * Signals that the state for the given build operation is no longer required.
     */
    default void discardState(BuildOperationDescriptor buildOperation) {
    }