import type { VskillLock, SkillLockEntry } from "./types.js";
/**
 * Read vskill.lock from cwd or specified directory.
 * Returns null if the lockfile does not exist.
 */
export declare function readLockfile(dir?: string): VskillLock | null;
/**
 * Write a VskillLock object to disk.
 */
export declare function writeLockfile(lock: VskillLock, dir?: string): void;
/**
 * Create a lockfile if one does not already exist.
 * Returns the existing or newly created lock.
 */
export declare function ensureLockfile(dir?: string): VskillLock;
/**
 * Add or update a skill entry in the lockfile.
 */
export declare function addSkillToLock(name: string, info: SkillLockEntry, dir?: string): void;
/**
 * Read .skill-lock.json (skills.sh lock file) for cross-tool visibility.
 * Returns skill names found, or empty array if file doesn't exist.
 */
export declare function readSkillsShLock(dir?: string): {
    name: string;
    source: string;
}[];
/**
 * Remove a skill entry from the lockfile.
 */
export declare function removeSkillFromLock(name: string, dir?: string): void;