/**
 * Package URL matching functions for comparing detected packages
 * against declared compatible packages.
 *
 * @experimental This API is unstable and may change without notice.
 * @packageDocumentation
 */
import type { PackageUrlParts } from "./package-url.js";
/**
 * Check whether two purl parts share the same identity (type, namespace, name).
 * Version is ignored.
 *
 * @experimental This API is unstable and may change without notice.
 */
export declare const purlIdentityMatch: (a: PackageUrlParts, b: PackageUrlParts) => boolean;
/**
 * Check whether a detected purl matches a declared compatible purl.
 *
 * Matching rules:
 * - Identity (type, namespace, name) must match exactly
 * - Versionless declaration matches any detected version
 * - Versionless detection matches any declaration
 * - Both exact versions match only if equal
 *
 * @experimental This API is unstable and may change without notice.
 */
export declare const purlMatch: (detected: PackageUrlParts, declared: PackageUrlParts) => boolean;
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