import * as _langchain_langgraph0 from "@langchain/langgraph";
import { AnnotationRoot, Command, CompiledStateGraph } from "@langchain/langgraph";
import { z } from "zod";
import * as _langchain_core_messages0 from "@langchain/core/messages";
import * as _langchain_core_tools0 from "@langchain/core/tools";

//#region src/handoff.d.ts
declare const METADATA_KEY_HANDOFF_DESTINATION = "__handoff_destination";
/** @inline */
interface CreateHandoffToolParams {
  /**
   * The name of the agent to handoff control to, i.e. the name of the agent node in the multi-agent graph.
   *
   * Agent names should be simple, clear and unique, preferably in snake_case,
   * although you are only limited to the names accepted by LangGraph
   * nodes as well as the tool names accepted by LLM providers
   * (the tool name will look like this: `transfer_to_<agent_name>`).
   */
  agentName: string;
  /** Optional description for the handoff tool. */
  description?: string;
}
/**
 * Create a tool that can handoff control to the requested agent.
 *
 * @param params Parameters for the handoff tool.
 */
declare const createHandoffTool: ({
  agentName,
  description
}: CreateHandoffToolParams) => _langchain_core_tools0.DynamicStructuredTool<z.ZodObject<{}, z.core.$strip>, Record<string, never>, Record<string, never>, Command<unknown, {
  messages: _langchain_core_messages0.BaseMessage<_langchain_core_messages0.MessageStructure<_langchain_core_messages0.MessageToolSet>, _langchain_core_messages0.MessageType>[];
  activeAgent: string;
}, string>, unknown, string>;
declare const getHandoffDestinations: <AnnotationRootT extends AnnotationRoot<any>>(agent: CompiledStateGraph<AnnotationRootT["State"], AnnotationRootT["Update"], string, AnnotationRootT["spec"], AnnotationRootT["spec"], _langchain_langgraph0.StateDefinition, unknown, unknown, unknown, []>, toolNodeName?: string) => string[];
//#endregion
export { METADATA_KEY_HANDOFF_DESTINATION, createHandoffTool, getHandoffDestinations };
//# sourceMappingURL=handoff.d.ts.map