/** Search result from npm registry. */
export interface MarketplaceEntry {
    readonly name: string;
    readonly version: string;
    readonly description: string;
}
/** Category of marketplace package. */
export type MarketplaceCategory = 'extension' | 'preset';
/**
 * Search npm for packages matching `query` and `category`.
 * Returns parsed results from `npm search --json`.
 */
export declare function searchMarketplace(query: string, category: MarketplaceCategory): readonly MarketplaceEntry[];
/**
 * Install an npm package into the project.
 */
export declare function npmInstall(packageName: string, cwd: string): void;
/**
 * Remove an npm package from the project.
 */
export declare function npmRemove(packageName: string, cwd: string): void;
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