/**
 * Build digest: fingerprints of resource declarations + dependency graph.
 *
 * The digest captures *what was declared* at a point in time, enabling
 * diff operations without re-parsing templates.
 */
import type { BuildResult } from "../build.js";
import type { BuildDigest, DigestDiff } from "./types.js";
/**
 * Hash an entity's props deterministically.
 */
export declare function hashProps(props: unknown): string;
/**
 * Compute a full build digest from a BuildResult.
 */
export declare function computeBuildDigest(buildResult: BuildResult): BuildDigest;
/**
 * Compare two digests and categorize resources.
 */
export declare function diffDigests(current: BuildDigest, previous: BuildDigest | undefined): DigestDiff;
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