export interface RegistryPublisher {
    readonly type: "placeholder";
    readonly id: string;
}
export interface RegistrySourceMetadata {
    readonly provider: "github";
    readonly repo: string;
    readonly repo_url: string;
    readonly skill_path: string;
    readonly profile_path?: string;
    readonly ref: string;
    readonly sha: string;
    readonly default_branch: string;
    readonly event: "enrollment" | "push" | "tag" | "tombstone";
    readonly immutable: boolean;
    readonly live: boolean;
    readonly tombstoned?: boolean;
    readonly tag?: string;
    readonly publisher_handle?: string;
}
export interface RegistrySkillVersion {
    readonly skill_id: string;
    readonly owner: string;
    readonly name: string;
    readonly description?: string;
    readonly version: string;
    readonly digest: string;
    readonly markdown: string;
    readonly profile_document?: string;
    readonly profile_digest?: string;
    readonly runner_names: readonly string[];
    readonly source_type: string;
    readonly source_metadata?: RegistrySourceMetadata;
    readonly required_scopes: readonly string[];
    readonly runtime?: unknown;
    readonly auth?: unknown;
    readonly risk?: unknown;
    readonly runx?: Readonly<Record<string, unknown>>;
    readonly tags: readonly string[];
    readonly publisher: RegistryPublisher;
    readonly created_at: string;
    readonly updated_at: string;
}
export interface RegistrySkill {
    readonly skill_id: string;
    readonly owner: string;
    readonly name: string;
    readonly description?: string;
    readonly latest_version: string;
    readonly latest_digest: string;
    readonly versions: readonly RegistrySkillVersion[];
}
export interface PutVersionOptions {
    readonly upsert?: boolean;
}
export interface RegistryStore {
    readonly putVersion: (version: RegistrySkillVersion, options?: PutVersionOptions) => Promise<RegistrySkillVersion>;
    readonly getVersion: (skillId: string, version?: string) => Promise<RegistrySkillVersion | undefined>;
    readonly listVersions: (skillId: string) => Promise<readonly RegistrySkillVersion[]>;
    readonly listSkills: () => Promise<readonly RegistrySkill[]>;
}
export declare class FileRegistryStore implements RegistryStore {
    private readonly root;
    constructor(root: string);
    putVersion(version: RegistrySkillVersion, options?: PutVersionOptions): Promise<RegistrySkillVersion>;
    getVersion(skillId: string, version?: string): Promise<RegistrySkillVersion | undefined>;
    listVersions(skillId: string): Promise<readonly RegistrySkillVersion[]>;
    listSkills(): Promise<readonly RegistrySkill[]>;
    private versionPath;
    private skillDir;
}
export declare function createFileRegistryStore(root: string): RegistryStore;
export declare function buildSkillId(owner: string, name: string): string;
export declare function splitSkillId(skillId: string): readonly [string, string];
export declare function slugify(value: string): string;