import type { MetadataComparator } from '@o3r/extractors';
import type { MetadataFact } from '../../rules-engine-extractor/helpers';
/**
 * Interface describing a ruleFact migration element
 */
export interface MigrationRuleFactMetadata {
    /** Name of the fact */
    name: string;
}
/**
 * Comparator used to compare one version of ruleFact metadata with another
 */
export declare const ruleFactMetadataComparator: Readonly<MetadataComparator<MetadataFact, MigrationRuleFactMetadata, MetadataFact[]>>;
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