/**
 * [WHO]: messages - English translations for user-facing messages
 * [FROM]: No external dependencies
 * [TO]: Consumed by core/platform/i18n/index.ts
 * [HERE]: core/platform/i18n/messages.ts - English message translations
 */
export declare const messages: {
    error: string;
    warning: string;
    info: string;
    success: string;
    confirm: string;
    cancel: string;
    yes: string;
    no: string;
    ok: string;
    save: string;
    close: string;
    retry: string;
    loading: string;
    newSession: string;
    continueSession: string;
    sessionSaved: string;
    sessionLoaded: string;
    noSessions: string;
    settings: string;
    language: string;
    theme: string;
    model: string;
    thinkingLevel: string;
    selectModel: string;
    modelChanged: string;
    noModelsAvailable: string;
    apiKeyRequired: string;
    enterApiKey: string;
    apiKeySaved: string;
    apiKeyInvalid: string;
    extensions: string;
    extensionEnabled: string;
    extensionDisabled: string;
    extensionError: string;
    memory: string;
    memoryUpdated: string;
    memoryCleared: string;
    errorOccurred: string;
    tryAgain: string;
    networkError: string;
    timeoutError: string;
    confirmQuit: string;
    confirmNewSession: string;
    confirmDelete: string;
    presence: {
        opening: string[];
        idle: string[];
    };
};