import { type Agent } from '@openai/agents-core';
import type { ModelActivityOptions } from '../common/model-activity-options';
/**
 * Recursively converts an agent graph: validate tools, replace each agent's
 * model with an ActivityBackedModel, and clone handoffs. Uses a seen-map to
 * handle circular handoff references.
 */
export declare function convertAgent(agent: Agent<any, any>, modelParams: ModelActivityOptions, seen?: Map<Agent<any, any>, Agent<any, any>>, modelNameOverride?: string): Agent<any, any>;