boolean isErrorEnabled();

    void error(String message);

    void error(String message, Throwable t);

    boolean isWarnEnabled();

    void warn(String message);

    void warn(String message, Throwable t);

    boolean isInfoEnabled();

    void info(String message);

    void info(String message, Throwable t);

    boolean isDebugEnabled();

        final RelatedContent relatedContent = getRelatedContent(body).map(entity -> {
            try {
                relatedContentService.store(entity);
            } catch (final Exception e) {
                logger.warn("Failed to process a request.", e);
                throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)));
            }
            return entity;

            if (!p.waitFor(commandTimeout + commandDestroyTimeout, TimeUnit.MILLISECONDS)) {
                logger.warn("Destroying {} because of the process timeout.", getName());
                p.destroy();
            }

            final int exitValue = p.exitValue();
            if (exitValue != 0) {
                logger.warn("{} is failed (exit code:{}, timeout:{}): {}", getName(), exitValue, task.isExecuted(), commandList);
            }

                searchEngineClient.admin().indices().prepareOpen(docIndex).execute(
                        ActionListener.wrap(res2 -> logger.info("Open {}", docIndex), e -> logger.warn("Failed to open {}", docIndex, e)));
            }, e -> logger.warn("Failed to close {}", docIndex, e)));
        });
        saveInfo(messages -> messages.addSuccessStartedDataUpdate(GLOBAL));
        return redirect(getClass());
    }

    /**
     * @return true if the <b>warn</b> error level is enabled
     */
    boolean isWarnEnabled();

    /**
     * Send a message to the user in the <b>warn</b> error level.
     *
     * @param content
     */
    void warn(CharSequence content);

    /**
     * Send a message (and accompanying exception) to the user in the <b>warn</b> error level.<br>

            case RepositoryPolicy.CHECKSUM_POLICY_IGNORE:
                return RepositoryPolicy.CHECKSUM_POLICY_IGNORE;
            case RepositoryPolicy.CHECKSUM_POLICY_WARN:
                return RepositoryPolicy.CHECKSUM_POLICY_WARN;
            default:
                throw new IllegalArgumentException("unknown repository checksum policy: " + artifactRepositoryPolicy);
        }
    }

        final WebConfig webConfig = getWebConfig(body).map(entity -> {
            try {
                webConfigService.store(entity);
            } catch (final Exception e) {
                logger.warn("Failed to process a request.", e);
                throwValidationErrorApi(messages -> messages.addErrorsCrudFailedToCreateCrudTable(GLOBAL, buildThrowableMessage(e)));
            }
            return entity;

            CopyUtil.copy(in, out);
            asyncImport(fileName, tempFile);
        } catch (final IOException e) {
            logger.warn("Failed to create a temp file.", e);
            if (tempFile.exists() && !tempFile.delete()) {
                logger.warn("Failed to delete {}.", tempFile.getAbsolutePath());
            }

            } else if (response.getContentException() != null) {
                logger.warn("ConfigSync request failed.", response.getContentException());
            } else {
                logger.warn("ConfigSync request failed. The response is {}", response.getContentAsString());
            }
        } catch (final IOException e) {
            logger.warn("ConfigSync request failed.", e);
        }
        return new String[0];

        }
    }

    /**
     * WARN情報を出力します。
     *
     * @param message
     *            メッセージ
     * @param throwable
     *            例外
     */
    public void warn(final Object message, final Throwable throwable) {
        log.warn(toString(message), throwable);
    }

    /**
     * WARN情報を出力します。
     *
     * @param message
     *            メッセージ