import type { CalendarProps, CalendarSteps } from './index';
export declare const cnCalendar: import("@bem-react/classname").ClassNameFormatter;
export declare const getPeriodSwitchAriaLabel: CalendarProps['getPeriodSwitchAriaLabel'];
export declare const calculateStepsAvailability: (steps: CalendarSteps) => {
    hasDaysStep: boolean;
    hasMonthsStep: boolean;
    hasYearsStep: boolean;
};
export declare const calculateStepsHelpers: (steps: CalendarSteps) => {
    lastStep: "days" | "months" | "years";
    firstStep: "days" | "months" | "years";
};