/**
 * Supported locales (BCP 47) for the date picker.
 * These map directly to the underlying calendar web component locale attribute.
 */
export declare const SUPPORTED_LOCALES: readonly ["en-US", "en-GB", "es-ES", "es-MX", "fr-FR", "de-DE", "it-IT", "pt-BR", "pt-PT", "ja-JP", "ko-KR", "zh-CN", "zh-TW", "ru-RU", "ar-SA", "hi-IN", "nl-NL", "sv-SE", "da-DK", "no-NO", "fi-FI", "pl-PL", "tr-TR", "he-IL", "th-TH", "vi-VN"];
/** Allowed datepicker modes */
export declare const DATEPICKER_MODES: readonly ["single", "range"];
/** Allowed time display formats for trigger text */
export declare const TIME_DISPLAY_FORMATS: readonly ["24h", "12h"];
/** Allowed Intl.DateTimeFormat dateStyle values we support */
export declare const DATE_STYLES: readonly ["short", "medium", "long", "full"];
/** Allowed number of calendars in range mode */
export declare const RANGE_CALENDARS: readonly [1, 2];