import { StatefulCSS } from '../../../types/cssStyle';

export declare class OuterDropdownButtonUtils {
    private static readonly ARROW_CONTAINER_CLASS;
    private static readonly ARROW_ICON_CLASS;
    private static processStatefulStyle;
    static processAndApplyDefaultStyle(element: HTMLElement, styles?: StatefulCSS): void;
    static createArrow(containerClasses?: string[], iconClasses?: string[]): HTMLDivElement;
}
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