import type { RuleMetadata } from "./types";
export interface MatchResult {
    applies: boolean;
    reason?: string;
}
export interface MatcherCacheStats {
    entries: number;
}
export declare function resetMatcherCache(): void;
export declare function getMatcherCacheStats(): MatcherCacheStats;
/**
 * Check if a rule should apply to the current file based on metadata
 */
export declare function shouldApplyRule(metadata: RuleMetadata, currentFilePath: string, projectRoot: string | null): MatchResult;
/**
 * Check if realPath already exists in cache (symlink deduplication)
 */
export declare function isDuplicateByRealPath(realPath: string, cache: Set<string>): boolean;
/**
 * Create SHA-256 hash of content, truncated to 16 chars
 */
export declare function createContentHash(content: string): string;
/**
 * Check if content hash already exists in cache
 */
export declare function isDuplicateByContentHash(hash: string, cache: Set<string>): boolean;