export type ButtonType = 'button' | 'submit' | 'reset';
export type CurrentState = 'page' | 'step';
export type PopoverTargetAction = 'show' | 'hide' | 'toggle';
export interface ButtonFormControlMixinInstance {
    /**
     * Use for toggle button types.
     * https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Attributes/aria-pressed
     * @attr pressed
     * @reflect
     */
    pressed: boolean;
    /**
     * Use for buttons that expand or collapse content.
     * https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Attributes/aria-expanded
     * @attr expanded
     * @reflect
     */
    expanded: boolean;
    /**
     * Like input readonly, sets a button semantically as visual treatment only.
     * https://developer.mozilla.org/en-US/docs/Web/HTML/Attributes/readonly
     * @attr readonly
     * @reflect
     */
    readOnly: boolean;
    /**
     * Like input form, sets a button to submit a form outside its parent form.
     * Returns a reference to the form element if available.
     * https://developer.mozilla.org/en-US/docs/Web/API/ElementInternals/form
     * @attr form
     */
    form: HTMLFormElement | null | string;
    /**
     * The name of the button, submitted as a pair with the button value as part of the form data.
     * https://developer.mozilla.org/en-US/docs/Web/HTML/Element/button#attr-name
     * @attr name
     * @reflect
     */
    name: string;
    /**
     * Defines the value associated with the button name when submitting form data.
     * https://developer.mozilla.org/en-US/docs/Web/HTML/Element/button#attr-value
     * @attr value
     * @reflect
     */
    value: string;
    /**
     * Defines the button behavior when associated within a form element.
     * https://developer.mozilla.org/en-US/docs/Web/HTML/Element/button#attr-type
     * @attr type
     * @reflect
     */
    type: ButtonType;
    /**
     * Prevents the user from interacting with the button.
     * https://developer.mozilla.org/en-US/docs/Web/HTML/Element/button#attr-disabled
     * @attr disabled
     * @reflect
     */
    disabled: boolean;
    /**
     * Sets selected state when the button belongs to a multi-choice selection group.
     * https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Attributes/aria-selected
     * @attr selected
     * @reflect
     */
    selected: boolean;
    /**
     * Sets the current state used to represent the current page or navigation link.
     * https://developer.mozilla.org/en-US/docs/Web/Accessibility/ARIA/Attributes/aria-current
     * @attr current
     * @reflect
     */
    current: CurrentState;
    /**
     * Establishes a relationship between a popover and its invoker button.
     * https://developer.mozilla.org/en-US/docs/Web/API/HTMLInputElement/popoverTargetElement
     */
    popoverTargetElement: HTMLElement | null;
    /**
     * The id reference of the element that receives the popover.
     * https://developer.mozilla.org/en-US/docs/Web/HTML/Reference/Elements/button#popovertarget
     * @attr popovertarget
     * @reflect
     */
    popovertarget: string;
    /**
     * The popover target action to perform on the popover target element.
     * https://developer.mozilla.org/en-US/docs/Web/API/HTMLInputElement/popoverTargetAction
     * @attr popovertargetaction
     * @reflect
     */
    popoverTargetAction: PopoverTargetAction;
    /**
     * The element that receives the command.
     * https://developer.mozilla.org/en-US/docs/Web/API/Invoker_Commands_API
     * @attr commandfor
     * @reflect
     */
    commandForElement: HTMLElement | null;
    /**
     * The command to execute on the element.
     * https://developer.mozilla.org/en-US/docs/Web/API/Invoker_Commands_API
     * @attr command
     * @reflect
     */
    command: string;
    /**
     * The element that receives the interest.
     * https://developer.mozilla.org/en-US/docs/Web/API/HTMLAnchorElement/interestForElement
     * @attr interestfor
     * @reflect
     */
    interestForElement: HTMLElement | null;
    _internals: ElementInternals;
}