export declare const MAX_PERSISTED_FAILURE_ERROR_BYTES: number;
/**
 * Truncate failure-derived text to MAX_PERSISTED_FAILURE_ERROR_BYTES, appending
 * a `[TRUNCATED: N bytes]` marker when truncation occurs. Idempotent: applying
 * it again to an already-bounded value (e.g. on the next tasks.yaml read/write
 * round-trip) does not grow the marker or re-truncate visible content.
 */
export declare function boundPersistedFailureText(text: string): string;
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