import type { McpServer } from "@modelcontextprotocol/sdk/server/mcp.js";
import type { ServerContext } from "../context.js";
/**
 * Turn- and queue-level session control (proposal G3) — finer levers than
 * abort_session's whole-session cancel:
 *
 *   stop_turn               abort the in-flight turn, keep the session
 *   complete_session        mark done (distinct from cancelled)
 *   cancel_pending_messages drop queued messages by client message id
 *   send_session_event      inject a custom event into the session
 */
export declare function registerTurnControlTools(server: McpServer, ctx: ServerContext): void;
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