assertThat(graph.edgeValue(1, 2).orElse(DEFAULT)).isEqualTo(DEFAULT);
    assertThat(graph.edgeValue(2, 1).orElse(DEFAULT)).isEqualTo(DEFAULT);
    assertThat(graph.edgeValueOrDefault(1, 2, null)).isNull();
    assertThat(graph.edgeValueOrDefault(2, 1, null)).isNull();
    assertThat(graph.edgeValue(1, 2).orElse(null)).isNull();
    assertThat(graph.edgeValue(2, 1).orElse(null)).isNull();

            if (fessConfig.isLoggingSearchUseLogfile()) {
                ComponentUtil.getSearchLogHelper().writeSearchLogEvent(favoriteLog);
            }
            return true;
        }).orElse(false);
    }

    /**
     * Retrieves a list of URLs that are in the user's favorites from the provided URL list.
     * This method filters the input URL list to return only those URLs that the specified user

        final Optional<FileTree> mainFileTree = getJavaMainSourceSet(project).map(SourceSet::getResources).map(FileTree::getAsFileTree);
        return mainFileTree.map(files -> files.matching(filter)).orElse(null);
    }

    /**
     * @param project The project to look for resources.
     * @param filter  Optional filter function to filter the returned resources

            doc = searchHelper
                    .getDocumentByDocId(form.docId, new String[] { fessConfig.getIndexFieldUrl(), fessConfig.getIndexFieldConfigId() },
                            getUserBean())
                    .orElse(null);
        } catch (final Exception e) {
            logger.warn("Failed to request: {}", form.docId, e);
        }
        if (doc == null) {

                            cb.query().setPermissions_InScope(stream(permissions).get(stream -> stream.collect(Collectors.toList())));
                        }
                    }).orElse(null);
                    final String reading = getValue(list, 1);
                    final String boost = getValue(list, 4);
                    final long now = ComponentUtil.getSystemHelper().getCurrentTimeAsLong();

    public FileCollection getFiles() {
        return getSourceFolders().get()
            .stream()
            .map(sourceFolder -> sourceFolder.matching(filesFilter))
            .reduce(FileTree::plus)
            .orElse(projectLayout.files().getAsFileTree());
    }

    @TaskAction
    public void checkInvalidPatterns() throws IOException {

            protwordsPager.setPageNumberList(protwordsList.createPageNumberList());

            return (List<ProtwordsItem>) protwordsList;
        }).orElse(Collections.emptyList());
    }

    /**
     * Gets the protected words file for the specified dictionary ID.
     * @param dictId the dictionary ID
     * @return the protected words file if found
     */

            }, validationErrorLambda);
        }

        final String oldPassword =
                getSession().map(session -> (String) session.getAttribute(INVALID_OLD_PASSWORD)).orElse(StringUtil.EMPTY);
        getUserBean().ifPresent(user -> {
            final String userId = user.getUserId();
            fessLoginAssist.findLoginUser(new LocalUserCredential(userId, oldPassword)).orElseGet(() -> {

        // of a "project scope"
        LifecycleMapping lifecycleMapping =
                lookup.lookupOptional(LifecycleMapping.class, id).orElse(null);
        if (lifecycleMapping == null) {
            return Optional.empty();
        }
        Type type = typeRegistry.lookup(id).orElse(null);
        if (type == null) {
            return Optional.empty();
        }

            stopwordsPager.setPageNumberList(stopwordsList.createPageNumberList());

            return (List<StopwordsItem>) stopwordsList;
        }).orElse(Collections.emptyList());
    }

    /**
     * Retrieves a stopwords file for a given dictionary ID.
     *
     * @param dictId The ID of the dictionary.