internal
fun <T : Any> BuildOperationRunner.withLoadOperation(block: () -> Pair<LoadResult, T>) =
    call(object : CallableBuildOperation<T> {
        override fun description(): BuildOperationDescriptor.Builder = BuildOperationDescriptor
            .displayName("Load configuration cache state")
            .progressDisplayName("Loading configuration cache state")
            .details(LoadDetails)

        override fun call(context: BuildOperationContext): T =

        buildOperationRunner.call(new CallableBuildOperation<Void>() {
            @Override
            public BuildOperationDescriptor.Builder description() {
                //noinspection Convert2Lambda
                return BuildOperationDescriptor
                    .displayName("Load projects")
                    .progressDisplayName("Loading projects")

        return mutationGuard;
    }

    private final static BuildOperationDescriptor.Builder ALLPROJECTS_DETAILS = computeConfigurationBlockBuildOperationDetails("allprojects");
    private final static BuildOperationDescriptor.Builder SUBPROJECTS_DETAILS = computeConfigurationBlockBuildOperationDetails("subprojects");

            delegate.prepareProjects(gradle);
            context.setResult(CONFIGURE_BUILD_RESULT);
        }

        @Override
        public BuildOperationDescriptor.Builder description() {
            BuildOperationDescriptor.Builder builder = BuildOperationDescriptor.displayName(gradle.contextualize("Configure build"));
            if (gradle.isRootBuild()) {
                builder.metadata(BuildOperationCategory.CONFIGURE_ROOT_BUILD);

                context.failed(result.getFailure());
            }
            return result;
        }

        @Override
        public BuildOperationDescriptor.Builder description() {
            BuildOperationDescriptor.Builder builder = BuildOperationDescriptor.displayName(gradle.contextualize("Run tasks"));
            if (gradle.isRootBuild()) {

            gradle.getBuildListenerBroadcaster().projectsEvaluated(gradle);
            context.setResult(PROJECTS_EVALUATED_RESULT);
        }

        @Override
        public BuildOperationDescriptor.Builder description() {
            return BuildOperationDescriptor.displayName(gradle.contextualize("Notify projectsEvaluated listeners"))
                .details(new NotifyProjectsEvaluatedBuildOperationType.Details() {
                    @Override

                    GFileUtils.deleteQuietly(oldXmlFile);
                }
            }

            @Override
            public BuildOperationDescriptor.Builder description() {
                return BuildOperationDescriptor.displayName("Delete old JUnit XML results");
            }
        });

        buildOperationExecutor.runAll(new Action<BuildOperationQueue<JUnitXmlReportFileGenerator>>() {

                context.setResult(RESULT);
                return state;
            }

            @Override
            public BuildOperationDescriptor.Builder description() {
                return BuildOperationDescriptor.displayName(gradle.contextualize("Evaluate settings")).
                    progressDisplayName("Evaluating settings").
                    details(new Details() {

            context.setResult(RESULT);
        }

        void doLoadBuild() {
            delegate.prepareSettings(gradle);
        }

        @Override
        public BuildOperationDescriptor.Builder description() {
            return BuildOperationDescriptor.displayName(gradle.contextualize("Load build"))
                .details(new LoadBuildBuildOperationType.Details() {
                    @Override

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

            @Override
            public BuildOperationDescriptor.Builder description() {
                return BuildOperationDescriptor.displayName("Finish root build tree")
                    .details(DETAILS);
            }
        });
    }