/**
 * @file Package management utilities for DLX installations.
 */
/**
 * Check if a package is installed in DLX.
 *
 * @example
 *   ;```typescript
 *   if (isDlxPackageInstalled('prettier')) {
 *     console.log('prettier is installed')
 *   }
 *   ```
 */
export declare function isDlxPackageInstalled(packageName: string): boolean;
/**
 * List all packages installed in DLX.
 *
 * @example
 *   ;```typescript
 *   const packages = listDlxPackages()
 *   console.log('Installed:', packages.join(', '))
 *   ```
 */
export declare function listDlxPackages(): string[];
/**
 * List all packages installed in DLX asynchronously.
 *
 * @example
 *   ;```typescript
 *   const packages = await listDlxPackagesAsync()
 *   console.log('Installed:', packages.join(', '))
 *   ```
 */
export declare function listDlxPackagesAsync(): Promise<string[]>;
/**
 * Remove a DLX package installation.
 *
 * @example
 *   ;```typescript
 *   await removeDlxPackage('prettier')
 *   ```
 */
export declare function removeDlxPackage(packageName: string): Promise<void>;
/**
 * Remove a DLX package installation synchronously.
 *
 * @example
 *   ;```typescript
 *   removeDlxPackageSync('prettier')
 *   ```
 */
export declare function removeDlxPackageSync(packageName: string): void;
