/**
 * Keyboard navigation helpers for calendar component
 */
export declare const KEY_DIRECTION_MAP: Record<string, number>;
/**
 * Check if a keyboard event should be ignored
 */
export declare function shouldIgnoreKeyboardEvent(target: HTMLElement): boolean;
/**
 * Find the next selectable date in a given direction
 */
export declare function findNextSelectableDate(startDate: Date, direction: number, querySelector: (selector: string) => Element | null): Date | null;
/**
 * Get the direction for a keyboard event
 */
export declare function getKeyDirection(key: string): number | null;