/**
 * Policy engine (v4.4).
 *
 * Loads .supply-chain-guard.yml configuration, applies rule overrides,
 * suppressions, allowlists, and baseline diffing to reduce false positives
 * and make the scanner production-ready for CI pipelines.
 */
import type { Finding, PolicyConfig } from "./types.js";
/**
 * Load policy config from the project directory.
 * Returns null if no config file found.
 */
export declare function loadPolicyConfig(dir: string): PolicyConfig | null;
/**
 * Apply policy to findings: disable rules, override severities,
 * suppress findings, apply allowlists.
 */
export declare function applyPolicy(findings: Finding[], policy: PolicyConfig): {
    findings: Finding[];
    suppressedCount: number;
};
/**
 * Save current findings as baseline.
 */
export declare function saveBaseline(findings: Finding[], baselinePath: string): void;
/**
 * Load baseline and filter out known findings.
 * Returns only NEW findings not in the baseline.
 */
export declare function applyBaseline(findings: Finding[], baselinePath: string): {
    findings: Finding[];
    suppressedCount: number;
};
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