import type { ProjectFingerprint, DetectedStack } from "./types";
/**
 * Detect the technology stack of a project by scanning for marker files.
 * This is a fast, synchronous scan — suitable for fire-and-forget use.
 */
export declare function detectStack(directory: string): DetectedStack[];
/**
 * Detect the package manager used by the project.
 */
export declare function detectPackageManager(directory: string): string | undefined;
/**
 * Detect whether the project is a monorepo.
 */
export declare function detectMonorepo(directory: string): boolean;
/**
 * Detect the primary language of the project.
 */
export declare function detectPrimaryLanguage(stack: DetectedStack[]): string | undefined;
/**
 * Generate a complete project fingerprint.
 */
export declare function generateFingerprint(directory: string): ProjectFingerprint;
/**
 * Generate and persist a project fingerprint.
 * Fire-and-forget: errors are logged but never thrown.
 */
export declare function fingerprintProject(directory: string): ProjectFingerprint | null;
/**
 * Get the cached fingerprint, or generate a new one if missing or stale.
 * Regenerates if the cached fingerprint was generated by a different Weave version.
 * Fire-and-forget: errors are logged but never thrown.
 */
export declare function getOrCreateFingerprint(directory: string): ProjectFingerprint | null;