/** The bits of the wp global the panel touches: the media library. */
interface WpMediaFrame {
  open(): void;
  on(event: 'select', handler: () => void): void;
  state(): {
    get(key: 'selection'): {
      first(): {
        toJSON(): { id: number; url: string; alt?: string };
      };
    };
  };
}

interface Window {
  tinymce?: {
    get?: (id: string) => {
      getContent(): string;
      setContent?(html: string): void;
      isHidden(): boolean;
    } | null;
  };
  /** wp-admin's tag box (tags-box.js): redraws the chips of a tags div from its hidden textarea. */
  tagBox?: {
    quickClicks?: (tagsDiv: unknown) => void;
  };
  jQuery?: (selector: string) => unknown;
  wp?: {
    media?: (options: {
      title: string;
      button: { text: string };
      multiple: boolean;
      library: { type: string };
    }) => WpMediaFrame;
  };
}