0 * taskListener._

        and:
        buildOperationRunner.operations[0].name == ":a"
        buildOperationRunner.operations[0].displayName == "Task :a"
        buildOperationRunner.operations[0].progressDisplayName == ":a"
        buildOperationRunner.operations[0].metadata == BuildOperationCategory.TASK
    }

    def "does not run task action when beforeExecute event fails"() {
        def failure = new RuntimeException()

            assert descriptor.name == "Download https://location/thing.jar"
            assert descriptor.displayName == "Download https://location/thing.jar"
            assert descriptor.progressDisplayName == "thing.jar"

            assert descriptor.details instanceof ExternalResourceReadBuildOperationType.Details
            assert descriptor.details.location == location.getUri().toASCIIString()

        }

        @Override
        public BuildOperationDescriptor.Builder description() {
            return BuildOperationDescriptor
                .displayName("Toolchain detection")
                .progressDisplayName("Detecting local java toolchains");
        }
    }

    @NonNullApi
    private static class Installations {

        private final Supplier<Set<InstallationLocation>> initializer;

                    return BuildOperationDescriptor.displayName("Build model '" + modelName + "' for " + targetDisplayName.getDisplayName()).
                        progressDisplayName("Building model '" + modelName + "'").details(new QueryToolingModelBuildOperationType.Details() {
                            @Override
                            public String getBuildPath() {

                    public BuildOperationDescriptor.Builder description() {
                        return BuildOperationDescriptor.displayName("Fetching public key")
                            .progressDisplayName("Downloading public key " + toLongIdHexString(keyId));
                    }
                });
            } else {
                if (fingerprints.value != null) {

                        public BuildOperationDescriptor.Builder description() {
                            return BuildOperationDescriptor.displayName("Dependency verification")
                                .progressDisplayName("Verifying " + ve.artifact);
                        }
                    });
                }
            }
        });

    }

    @Override

        }

        @Override
        public BuildOperationDescriptor.Builder description() {
            return BuildOperationDescriptor
                .displayName(displayName)
                .progressDisplayName(displayName);
        }
    }

    private static class ToolchainDownloadFailureTracker {

        private final Map<String, Exception> resolveFailures = new TreeMap<>();

            String basicName = subjectName + " with " + transformStepName;
            return BuildOperationDescriptor.displayName("Transform " + basicName)
                .progressDisplayName(TRANSFORMING_PROGRESS_PREFIX + basicName)
                .metadata(BuildOperationCategory.TRANSFORM)

                    .details(ExecuteTransformActionBuildOperationType.DETAILS_INSTANCE)
                    .metadata(UncategorizedBuildOperations.TRANSFORM_ACTION)
                    .progressDisplayName(displayName);
            }
        });

        return new WorkOutput() {
            @Override
            public WorkResult getDidWork() {
                return WorkResult.DID_WORK;
            }

                        projectPathString = projectPath.getPath();
                    }
                }
                return BuildOperationDescriptor.displayName(displayName)
                    .progressDisplayName(displayName)
                    .details(new ResolveConfigurationResolutionBuildOperationDetails(
                        getName(),
                        domainObjectContext.isScript(),