import type { TemplateResult } from "lit";
import { XmField } from "../field/index.js";
import "../primitives/index.js";
export declare class XmCheckbox extends XmField {
    static styles: CSSStyleSheet[];
    /** Indeterminate (mixed) state — shows the dash mark on the coral fill and
        reports aria-checked="mixed". Cleared on the first user toggle. */
    indeterminate: boolean;
    private _hasLabel;
    private _onLabelSlotChange;
    /** A checkbox submits checked-state ("on"/null), not text — declare it a
        toggle so the form value is correct from first paint, before any user
        interaction (the base seeds `_checked` from the `checked` attribute and
        `isToggle` routes it through the checkbox form-value branch). */
    protected get isToggle(): boolean;
    private _handleToggle;
    private _onKeydown;
    render(): TemplateResult;
}
declare global {
    interface HTMLElementTagNameMap {
        "xm-checkbox": XmCheckbox;
    }
}