import { VscElement } from '../VscElement.js';
export declare class FormButtonWidgetBase extends VscElement {
    tabindex: number;
    focused: boolean;
    constructor();
    connectedCallback(): void;
    disconnectedCallback(): void;
    attributeChangedCallback(name: string, oldVal: string, newVal: string): void;
    private _prevTabindex;
    protected _uid: string;
    protected _handleClick(): void;
    protected _handleKeyDown(_event: KeyboardEvent): void;
    private _handleFocus;
    private _handleFocusBound;
    private _handleBlur;
    private _handleBlurBound;
}
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