/**
 * Task status notifier — bridges TaskRecord state transitions to
 * `notifications/tasks/status` delivery via the SDK notification service.
 *
 * Per spec §Task Notifications, the notification MUST carry the full Task
 * wire shape, and SHOULD NOT include `io.modelcontextprotocol/related-task`
 * in `_meta` (the `taskId` field on the params is the source of truth).
 *
 * @module task/helpers/task-notifier
 */
import type { FrontMcpLogger } from '../../common';
import type { NotificationService } from '../../notification/notification.service';
import { type TaskRecord } from '../task.types';
export declare class TaskNotifier {
    private readonly notifications;
    private readonly logger?;
    constructor(notifications: NotificationService, logger?: FrontMcpLogger | undefined);
    sendStatus(record: TaskRecord): void;
}
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