/**
 * MCP Tool: approve_comparison
 *
 * Approves a single flow run step via
 * PATCH /v1/flow-run-steps/:stepId/approve.
 */
import type { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
import type { SitepagerApiClient } from "../api-client.js";
export declare function registerApproveComparison(server: McpServer, client: SitepagerApiClient): void;