import type { ValidationError } from './validation/criteria-ir';
/**
 * Formats validation errors into a user-friendly message.
 */
export declare function formatValidationErrors(errors: ValidationError[]): string;
/**
 * Shows a criteria error as a toast notification.
 *
 * @param title - Notification title (e.g. "Criteria validation error")
 * @param body - Error message to display
 * @param tagName - Design system prefix (e.g. "rapid", "foundation")
 */
export declare function showCriteriaError(title: string, body: string, tagName: string): void;
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