/**
 * Shared utilities for selector UI components.
 */
/**
 * Truncate text to a single line with a maximum length for display as a label.
 */
export declare function truncateForLabel(text: string, maxLength: number): string;
/**
 * Format a date string for display in selector options.
 */
export declare function formatDateForSelector(dateStr: string, lang: 'en' | 'ja'): string;
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