@spectrum-web-components/action-menu/sp-action-menu.d.ts

An `<sp-action-menu>` is an action button that triggers an overlay with `<sp-menu-items>` for activation. Use an `<sp-menu>` element to outline the items that will be made available to the user when interacting with the `<sp-action-menu>` element. By defa

import { ActionMenu } from './src/ActionMenu.js';
declare global {
    interface HTMLElementTagNameMap {
        'sp-action-menu': ActionMenu;
    }
}