/**
 * Parser for the worker-to-server `taskResult` message.
 *
 * `taskResult` is a discriminated union over status `completed | failed |
 * cancelled`. Variant dispatch uses a `satisfies Record<TaskResultStatus, …>`
 * lookup so adding a new variant becomes a compile-time error. This cluster is
 * split out of `./protocol.ts` so the canonical parser module stays focused on
 * the top-level schema-to-guard dispatch a reviewer audits.
 *
 * @module worker/protocol-task-result
 */
import type { RemoteWorkerProtocolParseResult } from './protocol-internals.ts';
import type { CancelledTaskResultMessage, CompletedTaskResultMessage, FailedTaskResultMessage } from './protocol-messages.ts';
/**
 * Worker-to-server task result message. Discriminated union over `status`.
 *
 * @example
 * ```ts
 * import type { TaskResultMessage } from '@lostgradient/weft/worker-protocol';
 *
 * const message: TaskResultMessage = {
 *   type: 'taskResult', operationId: 'op-1', status: 'completed', value: { ok: true },
 *   attemptToken: 'attempt-token',
 * };
 * ```
 */
export type TaskResultMessage = CompletedTaskResultMessage | FailedTaskResultMessage | CancelledTaskResultMessage;
/** Parse and validate a worker-to-server `taskResult` message into its typed variant. */
export declare function parseTaskResultMessage(record: Record<string, unknown>): RemoteWorkerProtocolParseResult<TaskResultMessage>;