import { UmbControllerBase } from '../../../../libs/class-api/index.js';
import type { UmbApi } from '../../../../libs/extension-api/index.js';
/**
 * A tree-level action, rendered in the tree's header to operate on the tree as a whole.
 */
export interface UmbTreeAction extends UmbApi {
    /**
     * The href location, the action will act as a link.
     * @returns {undefined | Promise<string | undefined>}
     */
    getHref?: () => Promise<string | undefined>;
    /**
     * Determine if the UI should indicate that more options will appear when interacting with this.
     * @returns {undefined | Promise<boolean | undefined>}
     */
    hasAdditionalOptions?: () => Promise<boolean | undefined>;
    /**
     * The `execute` method, the action will act as a button.
     * @returns {Promise<void>}
     */
    execute(): Promise<void>;
}
/**
 * Base class for {@link UmbTreeAction} implementations.
 */
export declare abstract class UmbTreeActionBase extends UmbControllerBase implements UmbTreeAction {
    abstract execute(): Promise<void>;
}