import { CustomElement } from "../../internal/custom-element.js";
import { formatDate, formatList, formatNumber, formatRelativeTime } from "@odx/foundation";
import { TemplateResult } from "lit";
declare abstract class FormatBase<T> extends CustomElement {
  #private;
  static styles: import("lit").CSSResult[];
  abstract value?: T | null;
  /**
   * An optional fallback value to display if the `value` property is invalid or cannot be transformed.
   */
  fallbackValue?: string | null;
  lang: string;
  protected abstract transform(value: T): TemplateResult | string;
  protected formatDate(...[input, options]: Parameters<typeof formatDate>): ReturnType<typeof formatDate>;
  protected formatNumber(...[input, options]: Parameters<typeof formatNumber>): ReturnType<typeof formatNumber>;
  protected formatList(...[input, options]: Parameters<typeof formatList>): ReturnType<typeof formatList>;
  protected formatRelativeTime(...[input, options]: Parameters<typeof formatRelativeTime>): ReturnType<typeof formatRelativeTime>;
  protected render(): TemplateResult;
}
export { FormatBase };