export declare const constants: {
    MONTH_DROPDOWN_PICKER_LABEL: string;
    FILTER_THE_MONTHS_PLACEHOLDER: string;
    MONTH_RANGE_SEPARATOR_TEXT: string;
    INVALID_START_END_YEAR_COMBINATION: string;
    INVALID_START_END_MONTH_COMBINATION: string;
    VISIBILITY_HIDDEN_CLASS: string;
    VISIBILITY_SHOWN_CLASS: string;
    HIDE_HTML_ELEMENT: string;
    SELECTED_MONTH_BACKGROUND_COLOR: string;
    HOVERED_MONTH_BACKGROUND_COLOR: string;
    MONTHS_WITH_FULL_NAMES: string[];
    MONTHS_WITH_SHORT_NAMES: string[];
};