/**
 * Convert a lockfile `integrity` (SRI) string into `hash:<algorithm>` labels with
 * lowercase-hex values. Returns an empty object (and debug-logs) when the value is absent
 * or unparseable — never throws.
 */
export declare function hashLabelsFromIntegrity(integrity: string | undefined, nodeId: string): Record<string, string>;
/**
 * Produce a `distribution:url` label from a lockfile `resolved` value when it is an
 * http(s) tarball URL. `resolved` can also be a `file:`/workspace path for local deps;
 * those are debug-logged and skipped.
 */
export declare function distributionUrlLabel(resolved: string | undefined, nodeId: string): Record<string, string>;
/**
 * yarn v1 `resolved` values embed the npm-registry tarball shasum as a URL fragment
 * (`…-1.0.0.tgz#<40-hex-sha1>`). For older lockfiles that carry no `integrity` line this is the
 * only available hash, so surface it as `hash:sha-1`. Restricted to http(s) tarball URLs: a
 * `#<40-hex>` fragment on a `git:`/`git+ssh:` resolution is a commit SHA, not a package hash.
 */
export declare function hashLabelFromResolvedFragment(resolved: string | undefined, nodeId: string): Record<string, string>;
/**
 * Build the full set of component-metadata labels (package hashes + distribution URL) for a
 * node, sourced from its lockfile `integrity` / `resolved` values.
 */
export declare function getComponentMetadataLabels(node: {
    id: string;
    integrity?: string;
    resolved?: string;
}): Record<string, string>;