import { FormControlInstance, FormControlValue } from './form-control.mixin.js';
interface FormControlCheckboxInstance extends FormControlInstance {
    checked: boolean;
    indeterminate: boolean;
    updateCheckedState(): void;
}
export interface CheckboxFormControlMixin {
    new (...args: any[]): FormControlCheckboxInstance;
    formAssociated: boolean;
    readonly observedAttributes: string[];
}
type Constructor = new (...args: any[]) => HTMLElement & {
    connectedCallback?(): void;
    disconnectedCallback?(): void;
    attributeChangedCallback?(name: string, oldValue: string | null, newValue: string | null): void;
    requestUpdate?(name?: string, oldValue?: unknown): void;
} & {
    observedAttributes?: string[];
};
/**
 * Mixin that extends FormControlMixin with checkbox-specific functionality.
 * Provides native HTMLInputElement[type=checkbox]-like behavior for custom checkbox components.
 *
 * Features:
 * - checked: Get/set the checked state of the checkbox
 * - indeterminate: Get/set the indeterminate state (displays a dash)
 * - value: Defaults to 'on' (native checkbox behavior)
 * - type: Returns 'checkbox'
 * - CSS state management for :state(checked) and :state(indeterminate)
 * - Form value handling based on checked state
 */
export declare function CheckboxFormControlMixin<TBase extends Constructor, T extends FormControlValue>(SuperClass: TBase): TBase & CheckboxFormControlMixin;
export {};