import { Single } from '../../base/single/single';
export declare class YearMonthInterval extends Single {
    static xtype: string;
    static EVENT_VALID: string;
    static EVENT_ERROR: string;
    static EVENT_CHANGE: string;
    static EVENT_BEFORE_POPUPVIEW: string;
    getValue(): {
        start: number;
        end: number;
    };
}