import { I18nPluralPipe } from '@angular/common';
import { A11yParams } from './calendar-a11y.interface';
/**
 * This class is responsible for adding accessibility to the calendar.
 * You may override any of its methods via angulars DI to suit your requirements.
 * For example:
 *
 * ```typescript
 * import { A11yParams, CalendarA11y } from 'angular-calendar';
 * import { formatDate, I18nPluralPipe } from '@angular/common';
 * import { Injectable } from '@angular/core';
 *
 * // adding your own a11y params
 * export interface CustomA11yParams extends A11yParams {
 *   isDrSuess?: boolean;
 * }
 *
 * @Injectable()
 * export class CustomCalendarA11y extends CalendarA11y {
 *   constructor(protected i18nPlural: I18nPluralPipe) {
 *     super(i18nPlural);
 *   }
 *
 *   // overriding a function
 *   public openDayEventsLandmark({ date, locale, isDrSuess }: CustomA11yParams): string {
 *     if (isDrSuess) {
 *       return `
 *         ${formatDate(date, 'EEEE MMMM d', locale)}
 *          Today you are you! That is truer than true! There is no one alive
 *          who is you-er than you!
 *       `;
 *     }
 *   }
 * }
 *
 * // in your component that uses the calendar
 * providers: [{
 *  provide: CalendarA11y,
 *  useClass: CustomCalendarA11y
 * }]
 * ```
 */
export declare class CalendarA11y {
    protected i18nPlural: I18nPluralPipe;
    constructor(i18nPlural: I18nPluralPipe);
    /**
     * Aria label for the badges/date of a cell
     * @example: `Saturday October 19 1 event click to expand`
     */
    monthCell({ day, locale }: A11yParams): string;
    /**
     * Aria label for the open day events start landmark
     * @example: `Saturday October 19 expanded view`
     */
    openDayEventsLandmark({ date, locale }: A11yParams): string;
    /**
     * Aria label for alert that a day in the month view was expanded
     * @example: `Saturday October 19 expanded`
     */
    openDayEventsAlert({ date, locale }: A11yParams): string;
    /**
     * Descriptive aria label for an event
     * @example: `Saturday October 19th, Scott's Pizza Party, from 11:00am to 5:00pm`
     */
    eventDescription({ event, locale }: A11yParams): string;
    /**
     * Descriptive aria label for an all day event
     * @example:
     * `Scott's Party, event spans multiple days: start time October 19 5:00pm, no stop time`
     */
    allDayEventDescription({ event, locale }: A11yParams): string;
    /**
     * Aria label for the calendar event actions icons
     * @returns 'Edit' for fa-pencil icons, and 'Delete' for fa-times icons
     */
    actionButtonLabel({ action }: A11yParams): string;
    /**
     * @returns {number} Tab index to be given to month cells
     */
    monthCellTabIndex(): number;
    /**
     * @returns true if the events inside the month cell should be aria-hidden
     */
    hideMonthCellEvents(): boolean;
    /**
     * @returns true if event titles should be aria-hidden (global)
     */
    hideEventTitle(): boolean;
    /**
     * @returns true if hour segments in the week view should be aria-hidden
     */
    hideWeekHourSegment(): boolean;
    /**
     * @returns true if hour segments in the day view should be aria-hidden
     */
    hideDayHourSegment(): boolean;
}