export type Validator<T extends HTMLElement = HTMLElement> = {
    /**
     * - The attributes to listen for that may affect validations. When these attributes change, we should re-run validations. Right now, this does nothing, but will be useful for "vanilla" components.
     */
    observedAttributes?: string[] | undefined;
    /**
     * - The message to display.
     */
    message?: string | ((...args: any[]) => string) | undefined;
    checkValidity: (element: T & {
        value?: unknown;
    }) => {
        message: string;
        isValid: boolean;
        invalidKeys: Array<Exclude<keyof ValidityState, "valid">>;
    };
};
export type FormValue = string | FormData | File | null;