import type { Violation } from './types.js';
export interface FingerprintInput {
    analyzer: string;
    rule: string;
    file: string;
    symbol: string;
}
/**
 * Produce a stable hex SHA-256 digest from the canonical four-tuple.
 *
 * The components are JSON-serialized in a fixed-order array so that a colon
 * or any other character inside a component cannot create an ambiguous
 * boundary.
 */
export declare function fingerprint(input: FingerprintInput): string;
/**
 * Build the canonical {analyzer, rule, file, symbol} tuple for a violation.
 *
 * This is the ONE place rule-id resolution happens. If a violation stores its
 * rule identifier in a field not listed here, that violation fingerprints
 * with an empty rule — add the missing field to the chain below.
 *
 * Precedence (first populated wins):
 *   1. `violation.rule`       — universal analyzers, invariants, react (hooks)
 *   2. `violation.principle`   — CrossLanguageSOLID
 *   3. `violation.violationType` — SchemaValidator, reactAnalyzer
 *   4. `violation.contractType` — APIContractAnalyzer
 *   5. `violation.type`         — structural type (rarely a rule id; last-resort)
 *   6. `violation.details?.rule` — nested rule (react)
 */
export declare function buildFingerprintInput(violation: Violation): FingerprintInput;
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