/**
 * extensions.ts
 *
 * Manages extensions for two ecosystems:
 *   speckit       — installed via the `specify extension add` CLI command
 *   open-plugins  — installed by downloading a zip to .agents/plugins/<name>/
 *
 * Also integrates with the vercel-labs/skills ecosystem:
 *   When the source looks like a GitHub shorthand (owner/repo) or a skills.sh
 *   URL, the command delegates to `npx skills add` which handles installation
 *   to all detected agents automatically.
 *
 * Commands:
 *   acli extensions list [--available] [--ecosystem speckit|open-plugins]
 *   acli extensions add <name> [--from <url>] [--ecosystem speckit|open-plugins] [--force]
 *   acli extensions remove <name> [--yes]
 */
export interface ExtensionsAddOptions {
    from?: string;
    ecosystem?: string;
    force?: boolean;
}
export interface ExtensionsRemoveOptions {
    yes?: boolean;
}
export interface ExtensionsListOptions {
    available?: boolean;
    ecosystem?: string;
}
export declare function extensionsListCommand(options: ExtensionsListOptions): Promise<void>;
export declare function extensionsAddCommand(name: string, options: ExtensionsAddOptions): Promise<void>;
export declare function extensionsRemoveCommand(name: string, options: ExtensionsRemoveOptions): Promise<void>;
export interface ExtensionsCreateOptions {
    description?: string;
    author?: string;
    authorUrl?: string;
    version?: string;
    withAgent?: boolean;
    withSkill?: boolean;
    force?: boolean;
}
export declare function extensionsCreateCommand(name: string, options: ExtensionsCreateOptions): Promise<void>;
export interface ExtensionsPackOptions {
    output?: string;
}
export declare function extensionsPackCommand(name: string, options: ExtensionsPackOptions): Promise<void>;
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