import type { LTEnvelope, LTReturn, LTEscalation } from '../../../types';
/**
 * MCP Query workflow (leaf).
 *
 * Dynamic MCP tool orchestration via LLM agentic loop.
 * Discovers available MCP tools by tag and uses an LLM to
 * fulfill arbitrary requests. This workflow ONLY handles
 * dynamic execution — compiled workflow matching is done
 * by the mcpQueryRouter parent.
 *
 * Clean execution traces from this workflow are what get
 * compiled into deterministic YAML workflows.
 */
export declare function mcpQuery(envelope: LTEnvelope): Promise<LTReturn | LTEscalation>;