/**
 * @license
 * Copyright 2026 Google LLC
 * SPDX-License-Identifier: Apache-2.0
 */
import { AgentCard, AgentInterface, AgentSkill } from '@a2a-js/sdk';
import { RunnableRoot } from '../workflow/run_node_as_invocation.js';
/**
 * Resolves the AgentCard from the provided source.
 */
export declare function resolveAgentCard(agentCard: AgentCard | string): Promise<AgentCard>;
/**
 * Converts an ADK agent to an A2A AgentCard.
 */
export declare function getA2AAgentCard(agent: RunnableRoot, transports: AgentInterface[]): Promise<AgentCard>;
/**
 * Builds a list of AgentSkills based on agent descriptions and types.
 * This information can be used in AgentCard to help clients understand agent capabilities.
 *
 * @param agent The agent to build skills for.
 * @returns A promise resolving to a list of AgentSkills.
 */
export declare function buildAgentSkills(agent: RunnableRoot): Promise<AgentSkill[]>;