export type Locale = 'en' | 'ja';
/**
 * Detects the system locale.
 * Default is English. If Japanese is detected in environment variables, returns 'ja'.
 */
export declare function getSystemLocale(): Locale;
/**
 * Gets the current active locale.
 * Looks up the workspace config first, then falls back to system locale.
 */
export declare function getLocale(workspaceRoot?: string): Locale;
export declare const MESSAGES: {
    workspaceNotFound: {
        en: string;
        ja: string;
    };
    descInit: {
        en: string;
        ja: string;
    };
    descLogin: {
        en: string;
        ja: string;
    };
    descLogout: {
        en: string;
        ja: string;
    };
    descWhoami: {
        en: string;
        ja: string;
    };
    descNew: {
        en: string;
        ja: string;
    };
    descTest: {
        en: string;
        ja: string;
    };
    descPlay: {
        en: string;
        ja: string;
    };
    descOpen: {
        en: string;
        ja: string;
    };
    descSubmit: {
        en: string;
        ja: string;
    };
    descLang: {
        en: string;
        ja: string;
    };
    descAddLang: {
        en: string;
        ja: string;
    };
    descDefaultLang: {
        en: string;
        ja: string;
    };
    descTools: {
        en: string;
        ja: string;
    };
    descBundle: {
        en: string;
        ja: string;
    };
    bundleSuccess: {
        en: (output: string) => string;
        ja: (output: string) => string;
    };
    initIntro: {
        en: string;
        ja: string;
    };
    initSelectDisplayLang: {
        en: string;
        ja: string;
    };
    initSelectExtractProblem: {
        en: string;
        ja: string;
    };
    initSelectProblemLang: {
        en: string;
        ja: string;
    };
    initSelectLang: {
        en: string;
        ja: string;
    };
    initCancelled: {
        en: string;
        ja: string;
    };
    initSpinner: {
        en: string;
        ja: string;
    };
    initFilesSet: {
        en: string;
        ja: string;
    };
    initAlreadyInitialized: {
        en: string;
        ja: string;
    };
    initCreatedConfig: {
        en: (lang: string) => string;
        ja: (lang: string) => string;
    };
    initOutro: {
        en: string;
        ja: string;
    };
    initOutroNoLogin: {
        en: string;
        ja: string;
    };
    loginIntro: {
        en: string;
        ja: string;
    };
    loginNote: {
        en: string;
        ja: string;
    };
    loginWelcome: {
        en: (username: string) => string;
        ja: (username: string) => string;
    };
    loginEnterCookie: {
        en: string;
        ja: string;
    };
    loginPlaceholder: {
        en: string;
        ja: string;
    };
    loginCookieNotEmpty: {
        en: string;
        ja: string;
    };
    loginCancelled: {
        en: string;
        ja: string;
    };
    loginVerifying: {
        en: string;
        ja: string;
    };
    loginVerifySuccess: {
        en: string;
        ja: string;
    };
    loginVerifyFailed: {
        en: string;
        ja: string;
    };
    loginRetryConfirm: {
        en: string;
        ja: string;
    };
    loginAborted: {
        en: string;
        ja: string;
    };
    loginMethodSelect: {
        en: string;
        ja: string;
    };
    loginMethodBrowserAuto: {
        en: string;
        ja: string;
    };
    loginMethodCookie: {
        en: string;
        ja: string;
    };
    loginNoBrowserDetected: {
        en: string;
        ja: string;
    };
    loginSelectBrowser: {
        en: string;
        ja: string;
    };
    loginLaunchingBrowser: {
        en: (port: number) => string;
        ja: (port: number) => string;
    };
    loginWaitingInBrowser: {
        en: string;
        ja: string;
    };
    loginConnectionFailed: {
        en: string;
        ja: string;
    };
    loginBrowserClosed: {
        en: string;
        ja: string;
    };
    loginTimeout: {
        en: string;
        ja: string;
    };
    logoutSuccess: {
        en: string;
        ja: string;
    };
    whoamiVerifying: {
        en: string;
        ja: string;
    };
    whoamiLoggedIn: {
        en: (username: string) => string;
        ja: (username: string) => string;
    };
    newContestDirExists: {
        en: (contestId: string) => string;
        ja: (contestId: string) => string;
    };
    newIntro: {
        en: (contestId: string) => string;
        ja: (contestId: string) => string;
    };
    newFetchingTasks: {
        en: (contestId: string) => string;
        ja: (contestId: string) => string;
    };
    newFoundTasks: {
        en: (count: number) => string;
        ja: (count: number) => string;
    };
    newNoTasksFound: {
        en: (contestId: string) => string;
        ja: (contestId: string) => string;
    };
    newLabelNotFound: {
        en: (label: string, contestId: string, available: string) => string;
        ja: (label: string, contestId: string, available: string) => string;
    };
    newMultiselectMessage: {
        en: string;
        ja: string;
    };
    newCancelled: {
        en: string;
        ja: string;
    };
    newSettingUpTask: {
        en: (label: string, id: string) => string;
        ja: (label: string, id: string) => string;
    };
    newSetupSuccess: {
        en: (label: string, count: number) => string;
        ja: (label: string, count: number) => string;
    };
    newScaffoldingComplete: {
        en: (count: number) => string;
        ja: (count: number) => string;
    };
    newStatementSkippedContestActiveTitle: {
        en: string;
        ja: string;
    };
    newStatementSkippedContestActiveBody: {
        en: string;
        ja: string;
    };
    newStatementWarningTitle: {
        en: string;
        ja: string;
    };
    newStatementWarningBody: {
        en: string;
        ja: string;
    };
    playIntro: {
        en: (contestId: string, label: string) => string;
        ja: (contestId: string, label: string) => string;
    };
    playCompiling: {
        en: string;
        ja: string;
    };
    playCompilationFailed: {
        en: string;
        ja: string;
    };
    playCompiled: {
        en: string;
        ja: string;
    };
    playRunningPrompt: {
        en: string;
        ja: string;
    };
    playFinished: {
        en: string;
        ja: string;
    };
    testIntro: {
        en: (contestId: string, label: string) => string;
        ja: (contestId: string, label: string) => string;
    };
    testRetrievingLimits: {
        en: string;
        ja: string;
    };
    testLoadedLimits: {
        en: (limit: number) => string;
        ja: (limit: number) => string;
    };
    testDefaultLimits: {
        en: string;
        ja: string;
    };
    testDefaultLimitsError: {
        en: string;
        ja: string;
    };
    testCompilingRunning: {
        en: string;
        ja: string;
    };
    testFinished: {
        en: string;
        ja: string;
    };
    testCompilationFailed: {
        en: string;
        ja: string;
    };
    testNoSamples: {
        en: string;
        ja: string;
    };
    testOutroPassed: {
        en: string;
        ja: string;
    };
    testOutroFailed: {
        en: string;
        ja: string;
    };
    submitPreparing: {
        en: (contestId: string, label: string) => string;
        ja: (contestId: string, label: string) => string;
    };
    submitRetrievingLimits: {
        en: string;
        ja: string;
    };
    submitRunningTests: {
        en: string;
        ja: string;
    };
    submitNoSamples: {
        en: string;
        ja: string;
    };
    submitTestsFailed: {
        en: string;
        ja: string;
    };
    submitConfirmMessage: {
        en: string;
        ja: string;
    };
    submitAborted: {
        en: string;
        ja: string;
    };
    submitTestsPassed: {
        en: string;
        ja: string;
    };
    submitSubmitting: {
        en: string;
        ja: string;
    };
    submitSuccess: {
        en: (id: string) => string;
        ja: (id: string) => string;
    };
    submitWaitingJudge: {
        en: string;
        ja: string;
    };
    submitJudgeFinished: {
        en: (status: string) => string;
        ja: (status: string) => string;
    };
    submitAccepted: {
        en: string;
        ja: string;
    };
    submitFailed: {
        en: string;
        ja: string;
    };
    submitTimeout: {
        en: string;
        ja: string;
    };
    submitTimeoutWarn: {
        en: (url: string) => string;
        ja: (url: string) => string;
    };
    submitTurnstileDetected: {
        en: string;
        ja: string;
    };
    submitRejected: {
        en: string;
        ja: string;
    };
    submitFallbackMessage: {
        en: (langName: string) => string;
        ja: (langName: string) => string;
    };
    submitFallbackMessageWithClipboard: {
        en: string;
        ja: string;
    };
    submitAutomatedFallback: {
        en: string;
        ja: string;
    };
    submitManualSubmission: {
        en: string;
        ja: string;
    };
    submitOpenedBrowser: {
        en: (url: string) => string;
        ja: (url: string) => string;
    };
    openRetrievingUrl: {
        en: string;
        ja: string;
    };
    openSuccess: {
        en: (url: string) => string;
        ja: (url: string) => string;
    };
    openTaskNotFound: {
        en: (label: string, contestId: string) => string;
        ja: (label: string, contestId: string) => string;
    };
    openFailed: {
        en: (msg: string) => string;
        ja: (msg: string) => string;
    };
    langSuccess: {
        en: (l: string) => string;
        ja: (l: string) => string;
    };
    langInvalid: {
        en: string;
        ja: string;
    };
    langWorkspaceRequired: {
        en: string;
        ja: string;
    };
    langCommandUsage: {
        en: string;
        ja: string;
    };
    langSelectMessage: {
        en: string;
        ja: string;
    };
    langCancelled: {
        en: string;
        ja: string;
    };
    submitSessionExpired: {
        en: string;
        ja: string;
    };
    submitLangSelectNotFound: {
        en: string;
        ja: string;
    };
    addLangSelectName: {
        en: string;
        ja: string;
    };
    addLangSelectOther: {
        en: string;
        ja: string;
    };
    addLangAlreadyExists: {
        en: (lang: string) => string;
        ja: (lang: string) => string;
    };
    addLangEnterName: {
        en: string;
        ja: string;
    };
    addLangNameNotEmpty: {
        en: string;
        ja: string;
    };
    addLangCancelled: {
        en: string;
        ja: string;
    };
    addLangEnterExtension: {
        en: (lang: string) => string;
        ja: (lang: string) => string;
    };
    addLangExtNotEmpty: {
        en: string;
        ja: string;
    };
    addLangEnterBuildCmd: {
        en: string;
        ja: string;
    };
    addLangEnterRunCmd: {
        en: string;
        ja: string;
    };
    addLangRunCmdNotEmpty: {
        en: string;
        ja: string;
    };
    addLangSpinner: {
        en: string;
        ja: string;
    };
    addLangSuccess: {
        en: (lang: string) => string;
        ja: (lang: string) => string;
    };
    defaultLangSelectMessage: {
        en: string;
        ja: string;
    };
    defaultLangNotConfigured: {
        en: (lang: string) => string;
        ja: (lang: string) => string;
    };
    defaultLangSuccess: {
        en: (lang: string) => string;
        ja: (lang: string) => string;
    };
    defaultLangCancelled: {
        en: string;
        ja: string;
    };
    descDoctor: {
        en: string;
        ja: string;
    };
    descSetup: {
        en: string;
        ja: string;
    };
    doctorIntro: {
        en: string;
        ja: string;
    };
    doctorSpinnerDetecting: {
        en: string;
        ja: string;
    };
    doctorSpinnerFetchingCompilers: {
        en: string;
        ja: string;
    };
    doctorFetchFailed: {
        en: string;
        ja: string;
    };
    doctorDetectDone: {
        en: string;
        ja: string;
    };
    doctorNoLanguagesConfigured: {
        en: string;
        ja: string;
    };
    doctorSelectLanguages: {
        en: string;
        ja: string;
    };
    doctorCheckingVersions: {
        en: string;
        ja: string;
    };
    doctorCheckDone: {
        en: string;
        ja: string;
    };
    doctorResultsTitle: {
        en: string;
        ja: string;
    };
    doctorNextActionMessage: {
        en: string;
        ja: string;
    };
    doctorNextActionSetup: {
        en: string;
        ja: string;
    };
    doctorNextActionExit: {
        en: string;
        ja: string;
    };
    doctorSetupAllConfirm: {
        en: string;
        ja: string;
    };
    doctorFinishedNoChanges: {
        en: string;
        ja: string;
    };
    doctorFinished: {
        en: string;
        ja: string;
    };
    setupIntro: {
        en: string;
        ja: string;
    };
    setupSpinnerFetchingCompilers: {
        en: string;
        ja: string;
    };
    setupFetchFailed: {
        en: string;
        ja: string;
    };
    setupDetectDone: {
        en: string;
        ja: string;
    };
    setupNoLanguagesConfigured: {
        en: string;
        ja: string;
    };
    setupSelectLanguages: {
        en: string;
        ja: string;
    };
    setupAlreadyMatchesConfirm: {
        en: (langId: string, ver: string) => string;
        ja: (langId: string, ver: string) => string;
    };
    setupNoInstallMethods: {
        en: (displayName: string, os: string) => string;
        ja: (displayName: string, os: string) => string;
    };
    setupSelectStrategy: {
        en: (langId: string, ver: string) => string;
        ja: (langId: string, ver: string) => string;
    };
    setupNoWorkNeeded: {
        en: string;
        ja: string;
    };
    setupExecutionPlanTitle: {
        en: string;
        ja: string;
    };
    setupDryRunComplete: {
        en: string;
        ja: string;
    };
    setupProceedConfirm: {
        en: string;
        ja: string;
    };
    setupAborted: {
        en: string;
        ja: string;
    };
    setupExecutingCommand: {
        en: (idx: number, total: number, langId: string, cmd: string) => string;
        ja: (idx: number, total: number, langId: string, cmd: string) => string;
    };
    setupCommandFailed: {
        en: (cmd: string) => string;
        ja: (cmd: string) => string;
    };
    setupCommandRetryConfirm: {
        en: string;
        ja: string;
    };
    setupExecutionInterrupted: {
        en: string;
        ja: string;
    };
    setupExecutionComplete: {
        en: string;
        ja: string;
    };
    setupApplyConfigConfirm: {
        en: string;
        ja: string;
    };
    setupConfigAppliedSuccess: {
        en: string;
        ja: string;
    };
    setupOutroSuccess: {
        en: (logPath: string) => string;
        ja: (logPath: string) => string;
    };
    setupOutroFailed: {
        en: string;
        ja: string;
    };
    selectCompiler: {
        en: (langId: string) => string;
        ja: (langId: string) => string;
    };
    selectRuntime: {
        en: (langId: string) => string;
        ja: (langId: string) => string;
    };
    setupCommandFailedSelect: {
        en: string;
        ja: string;
    };
    setupCommandActionRetry: {
        en: string;
        ja: string;
    };
    setupCommandActionSkip: {
        en: string;
        ja: string;
    };
    setupCommandActionAbort: {
        en: string;
        ja: string;
    };
    setupCancelledSettingsNotApplied: {
        en: string;
        ja: string;
    };
    setupAbortedHalfway: {
        en: string;
        ja: string;
    };
    newFetchingTasksFailed: {
        en: (contestId: string, msg: string) => string;
        ja: (contestId: string, msg: string) => string;
    };
    langConfigNotFound: {
        en: (langKey: string) => string;
        ja: (langKey: string) => string;
    };
    newFetchingProblemPageFailed: {
        en: (taskId: string, msg: string) => string;
        ja: (taskId: string, msg: string) => string;
    };
    newStatementBypassProhibited: {
        en: string;
        ja: string;
    };
    submitTaskDirNotFound: {
        en: (taskLabel: string, contestId: string) => string;
        ja: (taskLabel: string, contestId: string) => string;
    };
    submitNoSubmitFile: {
        en: string;
        ja: string;
    };
    submitFileNotFound: {
        en: (submitFileName: string) => string;
        ja: (submitFileName: string) => string;
    };
    submitAccessPageFailed: {
        en: (msg: string) => string;
        ja: (msg: string) => string;
    };
    submitNoCsrfToken: {
        en: string;
        ja: string;
    };
    submitNoLanguagesOnPage: {
        en: string;
        ja: string;
    };
    submitNoSubmissionId: {
        en: string;
        ja: string;
    };
    submitFailedWithErr: {
        en: (msg: string) => string;
        ja: (msg: string) => string;
    };
    langNonInteractive: {
        en: string;
        ja: string;
    };
    addLangNonInteractive: {
        en: string;
        ja: string;
    };
    addLangPromptNonInteractive: {
        en: string;
        ja: string;
    };
    defaultLangNonInteractive: {
        en: string;
        ja: string;
    };
    defaultLangNoLanguages: {
        en: string;
        ja: string;
    };
    loginNonInteractive: {
        en: string;
        ja: string;
    };
    newNonInteractiveWarn: {
        en: string;
        ja: string;
    };
    openNoContestId: {
        en: string;
        ja: string;
    };
    utilsInWorkspaceRoot: {
        en: string;
        ja: string;
    };
    utilsNoContestId: {
        en: string;
        ja: string;
    };
    utilsNoTaskLabel: {
        en: string;
        ja: string;
    };
    utilsTaskDirNotFound: {
        en: (resolvedTaskDir: string) => string;
        ja: (resolvedTaskDir: string) => string;
    };
    runnerTaskDirNotFound: {
        en: (taskArg: string) => string;
        ja: (taskArg: string) => string;
    };
    runnerSpecifiedFileNotFound: {
        en: (fileArg: string, taskDir: string) => string;
        ja: (fileArg: string, taskDir: string) => string;
    };
    runnerNoLangConfig: {
        en: (ext: string) => string;
        ja: (ext: string) => string;
    };
    runnerNoSourceFiles: {
        en: (taskDir: string) => string;
        ja: (taskDir: string) => string;
    };
    runnerTestDirNotFound: {
        en: (testDir: string) => string;
        ja: (testDir: string) => string;
    };
    bundlerOutsideWorkspace: {
        en: (targetPath: string) => string;
        ja: (targetPath: string) => string;
    };
    bundlerCircularDep: {
        en: (stack: string, absolutePath: string) => string;
        ja: (stack: string, absolutePath: string) => string;
    };
    bundlerFileNotFound: {
        en: (input: string) => string;
        ja: (input: string) => string;
    };
    bundlerSameInOut: {
        en: (input: string) => string;
        ja: (input: string) => string;
    };
    bundlerFailedJsTs: {
        en: (input: string, msg: string) => string;
        ja: (input: string, msg: string) => string;
    };
    bundlerUnsupportedFileType: {
        en: (type: string) => string;
        ja: (type: string) => string;
    };
    bundlerIncludedFileNotFound: {
        en: (importPath: string, currentDir: string) => string;
        ja: (importPath: string, currentDir: string) => string;
    };
    bundlerFailedToBundleIncluded: {
        en: (importPath: string, absolutePath: string, msg: string) => string;
        ja: (importPath: string, absolutePath: string, msg: string) => string;
    };
    testHeaderCompileError: {
        en: string;
        ja: string;
    };
    testBorder: {
        en: string;
        ja: string;
    };
    testExpectedOutput: {
        en: string;
        ja: string;
    };
    testActualOutput: {
        en: string;
        ja: string;
    };
    testErrorOutput: {
        en: string;
        ja: string;
    };
    testStatusAC: {
        en: (label: string, duration: string, memory: string) => string;
        ja: (label: string, duration: string, memory: string) => string;
    };
    testStatusWA: {
        en: (label: string, duration: string, memory: string) => string;
        ja: (label: string, duration: string, memory: string) => string;
    };
    testStatusRE: {
        en: (label: string, duration: string, memory: string) => string;
        ja: (label: string, duration: string, memory: string) => string;
    };
    testStatusTLE: {
        en: (label: string, limit: number) => string;
        ja: (label: string, limit: number) => string;
    };
    playRunningFailed: {
        en: (msg: string) => string;
        ja: (msg: string) => string;
    };
    playTerminatedSignal: {
        en: (signal: string) => string;
        ja: (signal: string) => string;
    };
    playExitedCode: {
        en: (code: number) => string;
        ja: (code: number) => string;
    };
    submitYesProceed: {
        en: string;
        ja: string;
    };
    submitAbortingNonInteractive: {
        en: string;
        ja: string;
    };
    submitManualRequired: {
        en: string;
        ja: string;
    };
    submitPollingStatus: {
        en: (status: string) => string;
        ja: (status: string) => string;
    };
    submitNetworkRetry: {
        en: (msg: string) => string;
        ja: (msg: string) => string;
    };
    submitDone: {
        en: string;
        ja: string;
    };
    bundlerBundlingFiles: {
        en: string;
        ja: string;
    };
    doctorNoToolchain: {
        en: (langId: string) => string;
        ja: (langId: string) => string;
    };
    doctorNoAtCoderTarget: {
        en: (langId: string) => string;
        ja: (langId: string) => string;
    };
    doctorAlreadyMatches: {
        en: (langId: string, ver: string) => string;
        ja: (langId: string, ver: string) => string;
    };
    setupSkipInstall: {
        en: string;
        ja: string;
    };
    setupCommandToRun: {
        en: string;
        ja: string;
    };
    setupConfigChanges: {
        en: string;
        ja: string;
    };
    setupWarningSudo: {
        en: string;
        ja: string;
    };
    setupSkippedCommand: {
        en: (cmd: string) => string;
        ja: (cmd: string) => string;
    };
    setupUninstallHints: {
        en: string;
        ja: string;
    };
    cliDebugDesc: {
        en: string;
        ja: string;
    };
    cliYesDesc: {
        en: string;
        ja: string;
    };
    cliUnexpectedError: {
        en: string;
        ja: string;
    };
    cliLanguageCmdDesc: {
        en: string;
        ja: string;
    };
    cliNewAllDesc: {
        en: string;
        ja: string;
    };
    cliTestFileDesc: {
        en: string;
        ja: string;
    };
    cliPlayFileDesc: {
        en: string;
        ja: string;
    };
    cliSubmitFileDesc: {
        en: string;
        ja: string;
    };
    cliBundleOutputDesc: {
        en: string;
        ja: string;
    };
    cliRefreshDesc: {
        en: string;
        ja: string;
    };
    cliSetupDryRunDesc: {
        en: string;
        ja: string;
    };
    cliSetupYesDesc: {
        en: string;
        ja: string;
    };
    cliDoctorYesDesc: {
        en: string;
        ja: string;
    };
    authCookieNotEmpty: {
        en: string;
        ja: string;
    };
    authInvalidCookieExtract: {
        en: string;
        ja: string;
    };
    authCookieInvalidOrExpired: {
        en: (msg: string) => string;
        ja: (msg: string) => string;
    };
    authNoActiveSession: {
        en: string;
        ja: string;
    };
    authSessionInvalidOrExpired: {
        en: string;
        ja: string;
    };
    authVerifyFailed: {
        en: (msg: string) => string;
        ja: (msg: string) => string;
    };
    newAllTasksAlreadyExist: {
        en: (contestId: string) => string;
        ja: (contestId: string) => string;
    };
    newTaskDirExists: {
        en: (label: string) => string;
        ja: (label: string) => string;
    };
    cliSubmitOpenDesc: {
        en: string;
        ja: string;
    };
};
/**
 * Translates a key into the active language.
 */
export declare const t: (key: keyof typeof MESSAGES, locale: Locale, ...args: any[]) => string;
export declare const h: (key: keyof typeof MESSAGES, locale?: Locale) => string;