import { Checkbox as FoundationCheckbox } from '@ni/fast-foundation';
declare global {
    interface HTMLElementTagNameMap {
        'nimble-checkbox': Checkbox;
    }
}
declare const Checkbox_base: (abstract new (...args: any[]) => {
    errorText?: string;
    errorVisible: boolean;
    errorHasOverflow: boolean;
    readonly $fastController: import("@ni/fast-element").Controller;
    $emit(type: string, detail?: any, options?: Omit<CustomEventInit, "detail">): boolean | void;
    connectedCallback(): void;
    disconnectedCallback(): void;
    attributeChangedCallback(name: string, oldValue: string, newValue: string): void;
}) & typeof FoundationCheckbox;
/**
 * A nimble-styled checkbox control.
 */
export declare class Checkbox extends Checkbox_base {
    /**
     * @public
     * @remarks
     * HTML Attribute: tabindex
     */
    tabIndex: number;
    /**
     * @public
     * @remarks
     * HTML Attribute: appearance-indeterminate
     */
    appearanceIndeterminate: boolean;
    /**
     * @internal
     */
    get resolvedTabindex(): string | undefined;
}
export declare const checkboxTag = "nimble-checkbox";
export {};
