import { LitElement, PropertyValues } from 'lit';
import '../Icon/Icon';
declare global {
    interface HTMLElementTagNameMap {
        'ctt-checkbox': CttCheckbox;
    }
}
declare const CttCheckbox_base: (new (...args: any[]) => import("../../utils/form-associated-mixin").FormAssociatedBase) & typeof LitElement;
/**
 * CTT Checkbox Component
 *
 * A comprehensive checkbox component with built-in validation, error handling,
 * and accessibility features. Works seamlessly across different frameworks.
 *
 * @fires change - Fired when the checkbox state changes
 *
 * @example
 * ```html
 * <ctt-checkbox
 *   label="Accept terms and conditions"
 *   name="terms"
 *   value="accepted"
 *   required
 * ></ctt-checkbox>
 * ```
 *
 * @example
 * ```javascript
 * // React usage
 * <ctt-checkbox
 *   label="Subscribe to newsletter"
 *   name="newsletter"
 *   value="subscribe"
 *   checked={isSubscribed}
 *   onchange={(e) => setIsSubscribed(e.detail.checked)}
 * />
 * ```
 */
export declare class CttCheckbox extends CttCheckbox_base {
    static styles: import("lit").CSSResult;
    /**
     * The label text to display next to the checkbox
     */
    label: string;
    /**
     * The name attribute for the checkbox input
     */
    name: string;
    /**
     * The value attribute for the checkbox input
     */
    value: string;
    /**
     * Whether the checkbox is checked
     */
    get checked(): boolean;
    set checked(value: boolean);
    private _checked;
    /**
     * Whether the checkbox is disabled
     */
    disabled: boolean;
    /**
     * Whether the checkbox is required for form validation
     */
    required: boolean;
    /**
     * Whether the component should display error state styling
     */
    error: boolean;
    /**
     * The id attribute for the checkbox element
     */
    id: string;
    /**
     * Size variant of the checkbox
     */
    size: 'small' | 'medium' | 'large';
    /**
     * Additional CSS classes to apply
     */
    className: string;
    /**
     * Accessible label for screen readers when a visual label is not provided
     */
    ariaLabel: string | null;
    /**
     * IDs of elements that describe this checkbox
     */
    ariaLabelledby: string | null;
    constructor();
    protected _isValid(): boolean;
    protected _getValidationMessage(): string;
    protected _getNativeInput(): HTMLInputElement | undefined;
    firstUpdated(_changedProperties?: Map<any, any>): void;
    willUpdate(changedProperties: PropertyValues<this>): void;
    updated(changedProperties: PropertyValues<this>): void;
    connectedCallback(): void;
    private _handleChange;
    render(): import("lit-html").TemplateResult<1>;
}
export {};