*/
public abstract class MessageFormatter {

    /** メッセージコードの数値部の長さ */
    protected static final int CODE_NUMBER_LENGTH = 4;

    /** メッセージコードに対応するリソースバンドル名の接尾辞 */
    protected static final String MESSAGES = "Messages";

    /** 初期化済みを示すフラグ */
    protected static volatile boolean initialized;

    /**
     * メッセージを返します。
     *
     * @param messageCode
     *            メッセージコード
     * @param args

        protected String message;

        public ApiErrorResponse message(final String message) {
            this.message = message;
            return this;
        }

        public ApiErrorResponse message(final VaMessenger<FessMessages> validationMessagesLambda) {
            final FessMessages messages = new FessMessages();
            validationMessagesLambda.message(messages);

            if (queryCommand != null) {
                return queryCommand.execute(context, query, boost);
            }
            throw new InvalidQueryException(messages -> messages.addErrorsInvalidQueryUnknown(UserMessages.GLOBAL_PROPERTY_KEY),
                    "Unknown q: " + query.getClass() + " => " + query);
        };
    }

    public interface Filter {

    @Execute
    public JsonResponse<ApiResult> put$index(final InstallBody body) {
        validateApi(body, messages -> {});
        final Artifact artifact = ComponentUtil.getPluginHelper().getArtifact(body.name, body.version);
        if (artifact == null) {
            return asJson(
                    new ApiResult.ApiErrorResponse().message("invalid name or version").status(ApiResult.Status.BAD_REQUEST).result());
        }

    fun buildErrorMessage(formattedMismatches: Map<File, String>): String {
        val messages = formattedMismatches.map {
            "API changes in file '${it.key.name}' should be in alphabetical order (by type and member), yet these changes were not:\n" +
                "$formattedMismatches\n"
        }.joinToString(separator = "\n")

                logger.debug("{}:{}", query, boost);
            }
            return convertPrefixQuery(context, prefixQuery, boost);
        }
        throw new InvalidQueryException(messages -> messages.addErrorsInvalidQueryUnknown(UserMessages.GLOBAL_PROPERTY_KEY),
                "Unknown q: " + query.getClass() + " => " + query);
    }

                logger.debug("{}:{}", query, boost);
            }
            return convertFuzzyQuery(context, fuzzyQuery, boost);
        }
        throw new InvalidQueryException(messages -> messages.addErrorsInvalidQueryUnknown(UserMessages.GLOBAL_PROPERTY_KEY),
                "Unknown q: " + query.getClass() + " => " + query);
    }

                logger.debug("{}:{}", query, boost);
            }
            return convertWildcardQuery(context, wildcardQuery, boost);
        }
        throw new InvalidQueryException(messages -> messages.addErrorsInvalidQueryUnknown(UserMessages.GLOBAL_PROPERTY_KEY),
                "Unknown q: " + query.getClass() + " => " + query);
    }

        } catch (final ResultOffsetExceededException e) {
            if (logger.isDebugEnabled()) {
                logger.debug(e.getMessage(), e);
            }
            saveError(messages -> {
                messages.addErrorsResultSizeExceeded(GLOBAL);
            });
            return redirectToRoot();
        }
    }

    protected HtmlResponse doMove(final SearchForm form, final int move) {

     * @param message the message to be logged
     * @param error the associated exception, or null if not applicable
     */
    void log(@Nonnull Level level, @Nonnull String message, @Nullable Throwable error);

    /**
     * Logs a debug message without an associated exception.
     *
     * @param message the debug message to be logged
     */
    default void debug(String message) {
        log(Level.DEBUG, message);