/**
 * Normalized failure taxonomy.
 *
 * Failures become structured runtime events instead of arbitrary strings so the
 * future Recovery Engine (2.2.1) can attach cleanly. No autonomous recovery
 * policy is implemented here — only classification and observability.
 */
import type { ActionValidationFailureCategory, FailureCategory, FailureEvent } from "./types.js";
/** Map a validation failure category to the normalized runtime failure category. */
export declare function classifyValidationFailure(category: ActionValidationFailureCategory): FailureCategory;
export declare function createFailureEvent(category: FailureCategory, message: string, options?: {
    recoverable?: boolean;
    details?: unknown;
    timestamp?: string;
}): FailureEvent;
/** Human-readable, stable message for a finalization rejection. */
export declare function finalizationRejectedMessage(missingCriterionIds: string[]): string;
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