/**
 * execute_pipeline MCP Tool
 *
 * Creates multi-provider task pipelines with dependency resolution.
 * Validates DAG structure and generates TaskCreate instructions for Claude.
 * Automatically allocates isolated git worktrees for coding roles and
 * handles merging in dependency order when the pipeline completes.
 */
import { type McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
import type { Logger } from "../../../observability/logger.js";
import { PipelineManager } from "../../../tasks/pipeline-manager.js";
import type { WorktreeManager } from "../../../worktrees/manager.js";
/**
 * Registers the execute_pipeline tool with the MCP server.
 *
 * @param server - MCP server instance
 * @param pipelineManager - PipelineManager for validation and execution tracking
 * @param logger - Logger instance for structured logging
 * @param worktreeManager - Optional WorktreeManager for git worktree allocation
 */
export declare function registerExecutePipelineTool(server: McpServer, pipelineManager: PipelineManager, logger: Logger, worktreeManager?: WorktreeManager): void;
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