@spectrum-web-components/split-button/sp-split-button.d.ts

An `sp-split-button` surfaces an immediately envokable action via it's main button, as well as a list of alternative actions in its toggleable menu overlay. By default, any actions envoked from the overlay will replace the main action button. When leverag

import { SplitButton } from './src/SplitButton.js';
declare global {
    interface HTMLElementTagNameMap {
        'sp-split-button': SplitButton;
    }
}