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/**
 * @license
 * Copyright (c) 2017 - 2024 Vaadin Ltd.
 * This program is available under Apache License Version 2.0, available at https://vaadin.com/license/
 */
import { ElementMixin } from '@vaadin/component-base/src/element-mixin.js';
import { ThemableMixin } from '@vaadin/vaadin-themable-mixin/vaadin-themable-mixin.js';
import { CheckboxMixin } from './vaadin-checkbox-mixin.js';

/**
 * Fired when the checkbox is checked or unchecked by the user.
 */
export type CheckboxChangeEvent = Event & {
  target: Checkbox;
};

/**
 * Fired when the `checked` property changes.
 */
export type CheckboxCheckedChangedEvent = CustomEvent<{ value: boolean }>;

/**
 * Fired when the `indeterminate` property changes.
 */
export type CheckboxIndeterminateChangedEvent = CustomEvent<{ value: boolean }>;

/**
 * Fired when the `invalid` property changes.
 */
export type CheckboxInvalidChangedEvent = CustomEvent<{ value: boolean }>;

/**
 * Fired whenever the checkbox is validated.
 */
export type CheckboxValidatedEvent = CustomEvent<{ valid: boolean }>;

export interface CheckboxCustomEventMap {
  'checked-changed': CheckboxCheckedChangedEvent;

  'indeterminate-changed': CheckboxIndeterminateChangedEvent;

  'invalid-changed': CheckboxInvalidChangedEvent;

  validated: CheckboxValidatedEvent;
}

export interface CheckboxEventMap extends HTMLElementEventMap, CheckboxCustomEventMap {
  change: CheckboxChangeEvent;
}

/**
 * `` is an input field representing a binary choice.
 *
 * ```html
 * 
 * ```
 *
 * ### Styling
 *
 * The following shadow DOM parts are available for styling:
 *
 * Part name            | Description
 * ---------------------|-------------
 * `checkbox`           | The element representing a stylable custom checkbox
 * `label`              | The slotted label element wrapper
 * `helper-text`        | The slotted helper text element wrapper
 * `error-message`      | The slotted error message element wrapper
 * `required-indicator` | The `required` state indicator element
 *
 * The following state attributes are available for styling:
 *
 * Attribute            | Description
 * ---------------------|-------------
 * `active`             | Set when the checkbox is activated with mouse, touch or the keyboard.
 * `checked`            | Set when the checkbox is checked.
 * `disabled`           | Set when the checkbox is disabled.
 * `readonly`           | Set when the checkbox is readonly.
 * `focus-ring`         | Set when the checkbox is focused using the keyboard.
 * `focused`            | Set when the checkbox is focused.
 * `indeterminate`      | Set when the checkbox is in the indeterminate state.
 * `invalid`            | Set when the checkbox is invalid.
 * `has-label`          | Set when the checkbox has a label.
 * `has-helper`         | Set when the checkbox has helper text.
 * `has-error-message`  | Set when the checkbox has an error message.
 *
 * See [Styling Components](https://vaadin.com/docs/latest/styling/styling-components) documentation.
 *
 * @fires {Event} change - Fired when the checkbox is checked or unchecked by the user.
 * @fires {CustomEvent} checked-changed - Fired when the `checked` property changes.
 * @fires {CustomEvent} indeterminate-changed - Fired when the `indeterminate` property changes.
 */
declare class Checkbox extends CheckboxMixin(ElementMixin(ThemableMixin(HTMLElement))) {
  addEventListener(
    type: K,
    listener: (this: Checkbox, ev: CheckboxEventMap[K]) => void,
    options?: AddEventListenerOptions | boolean,
  ): void;

  removeEventListener(
    type: K,
    listener: (this: Checkbox, ev: CheckboxEventMap[K]) => void,
    options?: EventListenerOptions | boolean,
  ): void;
}

declare global {
  interface HTMLElementTagNameMap {
    'vaadin-checkbox': Checkbox;
  }
}

export { Checkbox };