import { SkillRegistryEntry, SkillStatus } from '../types';
/**
 * Persistent registry of installed skills.
 * Backed by a JSON file in the skills storage directory.
 */
export declare class SkillRegistry {
    private entries;
    private readonly registryPath;
    constructor(storageDir: string);
    /** Load registry from disk. Creates empty registry if file doesn't exist. */
    private load;
    /** Persist registry to disk. */
    private save;
    /** Register or update a skill entry */
    register(entry: SkillRegistryEntry): void;
    /** Unregister a skill by name */
    unregister(name: string): void;
    /** Get a skill entry by name */
    get(name: string): SkillRegistryEntry;
    /** Check if a skill is installed */
    has(name: string): boolean;
    /** List all installed skill entries */
    listAll(): SkillRegistryEntry[];
    /** Update the status of a skill */
    updateStatus(name: string, status: SkillStatus): void;
}
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