import type { DurableRunCanaryMessage, DurableRunCanaryRunSummary } from "./runner.js";
/** Assert that a durable run canary completed successfully. */
export declare function assertCompleted(run: DurableRunCanaryRunSummary): void;
/** Message shape for find assistant. */
export declare function findAssistantMessage(messages: DurableRunCanaryMessage[], messageId: string): DurableRunCanaryMessage;
/** Stringify unknown helper. */
export declare function stringifyUnknown(value: unknown): string;
/** Collect assistant text helper. */
export declare function collectAssistantText(message: DurableRunCanaryMessage): string;
/** Assert no malformed create file tool calls helper. */
export declare function assertNoMalformedCreateFileToolCalls(messages: DurableRunCanaryMessage[]): void;
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