import { IAccessibilityService } from '../interfaces/accessibility.service.interfaces';
import { DateRange } from '../interfaces/calendar.interfaces';
/**
 * Implementation of AccessibilityService
 * Responsible for accessibility-related functionality such as screen reader support
 * and keyboard navigation
 */
export declare class AccessibilityService implements IAccessibilityService {
    /**
     * Get accessible date label for screen readers
     * @param date The date to get a label for
     * @param localeMonthNameFn Optional function to get localized month name
     * @returns Accessible date label string
     */
    getAccessibleDateLabel(date: Date, localeMonthNameFn?: (month: number) => string): string;
    /**
     * Get date state description for screen readers (today, selected, disabled, etc.)
     * @param date The date to check
     * @param currentState Current state data required for determination
     * @returns State description string
     */
    getDateStateDescription(date: Date, currentState: {
        selectedDate: Date | null;
        selectedDateRange: DateRange;
        isRangeSelection: boolean;
        isDateDisabledFn: (date: Date) => boolean;
        isTodayFn: (date: Date) => boolean;
    }): string;
    /**
     * Move focus to a new date
     * @param direction Direction to move focus
     * @param currentFocusedDate Currently focused date
     * @param selectedDate Currently selected date (fallback if no focused date)
     * @returns New focused date
     */
    moveFocus(direction: 'right' | 'left' | 'up' | 'down' | 'start' | 'end' | 'prevMonth' | 'nextMonth' | 'prevYear' | 'nextYear', currentFocusedDate: Date | null, selectedDate: Date | null): Date;
    /**
     * Handle selecting the currently focused date
     * @param focusedDate Currently focused date
     * @param selectDateFn Function to call to select the date
     * @returns Boolean indicating if a selection was made
     */
    selectFocusedDate(focusedDate: Date | null, selectDateFn: (date: Date) => void): boolean;
}