import type { ServerContext } from "@modelcontextprotocol/server";
import type { RunAgentProgressPayload } from "@automatalabs/shared-types";
/**
 * The progress sink the shell hands to the engine. The engine calls it as it advances
 * through the run; `total` (planned units) and `message` are optional. Mirrors the engine
 * `onProgress(progress, total?, message?)` shape.
 */
export type WorkflowProgressCallback = (progress: number, total?: number, message?: string) => void;
/** The v2 context the SDK passes to a tool handler: request metadata, notifications, and cancellation. */
export type WorkflowToolExtra = ServerContext;
export declare function formatAgentProgressMessage(progress: RunAgentProgressPayload): string;
/**
 * Build the engine `onProgress` sink for ONE tool call. Progress flows only when the client
 * attached `_meta.progressToken` to its `tools/call`; otherwise we return a no-op so the run
 * still proceeds but emits nothing. Notifications are advisory and fire-and-forget — a closed
 * or failing transport must never abort the workflow.
 */
export declare function createProgressReporter(extra: WorkflowToolExtra): WorkflowProgressCallback;
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