import { AbstractConstructor, Constructor } from "./constructor";
import { HasElementRef } from "./has-element-ref";
export interface CanTabindex {
    tabindex: number | undefined;
    defaultTabindex?: number;
}
declare type CanTabindexCtor = Constructor<CanTabindex> & AbstractConstructor<CanTabindex>;
export declare function mixinTabindex<T extends AbstractConstructor<HasElementRef>>(core: T, defaultTabindex?: number): CanTabindexCtor & T;
export {};