/**
 * StructureDefinition Loader - Package Configuration
 *
 * Utilities for managing package download permissions.
 * Extracted from structure-definition-loader.ts to comply with global.mdc guidelines.
 */
/**
 * Parse allowed packages from environment variable
 */
export declare function parseAllowedPackages(): string[];
/**
 * Check if a package is allowed to be downloaded
 */
export declare function isPackageAllowed(packageId: string, allowedPackages: string[]): boolean;
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