/**
 * Registry Installer
 *
 * Downloads and installs plugins and components from registries.
 * Handles checksum verification, dependency resolution, and installation.
 */
export interface InstallOptions {
    /** Install scope: global or local */
    scope?: 'global' | 'local';
    /** Force overwrite existing files */
    force?: boolean;
    /** Skip dependency installation */
    noDeps?: boolean;
    /** Dry run (don't actually install) */
    dryRun?: boolean;
    /** Only install specific component types */
    agentsOnly?: boolean;
    toolsOnly?: boolean;
    workflowsOnly?: boolean;
    templatesOnly?: boolean;
    /** Skip specific component types */
    noHooks?: boolean;
    noCommands?: boolean;
}
export interface InstallResult {
    /** Whether installation was successful */
    success: boolean;
    /** Installed plugin/component name */
    name: string;
    /** Installation path */
    path?: string;
    /** Components installed */
    installed: {
        agents?: number;
        tools?: number;
        workflows?: number;
        templates?: number;
        hooks?: number;
        commands?: number;
    };
    /** Total bytes installed */
    totalSize: number;
    /** Whether this was a dry run */
    dryRun: boolean;
    /** Any warnings */
    warnings?: string[];
    /** Error message if failed */
    error?: string;
}
export declare class Installer {
    private resolver;
    private manifestResolver;
    constructor();
    /**
     * Verify SHA-256 checksum
     */
    private verifyChecksum;
    /**
     * Download file from URL
     */
    private download;
    /**
     * Get installation base directory
     */
    private getInstallBaseDir;
    /**
     * Install a plugin item (agent, tool, workflow, template)
     */
    private installItem;
    /**
     * Install plugin from resolved reference
     */
    installPlugin(pluginName: string, options?: InstallOptions): Promise<InstallResult>;
    /**
     * Uninstall plugin
     */
    uninstallPlugin(pluginName: string, scope?: 'global' | 'local', cwd?: string): Promise<boolean>;
}
/**
 * Default installer instance
 */
export declare const installer: Installer;
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