export type LocaleCode = 'en' | 'es' | 'ca' | 'pt' | 'fr' | 'de' | (string & {});
/** Built-in UI / form / validation strings. Apps can merge overrides. */
export interface UiMessages {
    save: string;
    cancel: string;
    delete: string;
    reset: string;
    submit: string;
    close: string;
    optional: string;
    required: string;
    loading: string;
    errorSummary: string;
    addItem: string;
    removeItem: string;
    noItems: string;
    /** CommandPalette */
    noResults: string;
    commandPalette: string;
    commandPalettePlaceholder: string;
    /** FileUploader */
    uploadFiles: string;
    uploadHelper: string;
    dropToUpload: string;
    dropOrBrowse: string;
    browse: string;
    browseButton: string;
    viewMode: string;
    listView: string;
    gridView: string;
    clearAll: string;
    upload: string;
    change: string;
    remove: string;
    edit: string;
    removeNamed: string;
    selectedFiles: string;
    addProfilePhoto: string;
    media: string;
    imageRequired: string;
    typeNotAllowed: string;
    exceedsMaxSize: string;
    /** Validation */
    fieldRequired: string;
    invalidEmail: string;
    invalidUrl: string;
    minLength: string;
    maxLength: string;
    minValue: string;
    maxValue: string;
    patternMismatch: string;
}
export type MessageKey = keyof UiMessages;
export type MessageParams = Record<string, string | number>;
/** Built-in dictionaries keyed by primary language subtag (`es-MX` → `es`). */
export declare const UI_DICTIONARIES: Record<string, UiMessages>;
export declare function resolveLocaleTag(locale: string): string;
export declare function getDictionary(locale: string, overrides?: Partial<UiMessages>): UiMessages;
/** Interpolate `{name}` placeholders in a message template. */
export declare function formatMessage(template: string, params?: MessageParams): string;