/**
 * StructureDefinition Loader - Package Scanner
 *
 * Utilities for scanning package directories for StructureDefinitions.
 * Extracted from structure-definition-loader.ts to comply with global.mdc guidelines.
 *
 * Uses persistent index to avoid rescanning on every startup (saves 2-4s).
 */
export interface ScanCacheDirectoryOptions {
    packageVersionPins?: Record<string, string>;
}
/**
 * Parse package name into base name and version
 * Format: packageId#version (e.g., "hl7.fhir.r4.core#4.0.1")
 */
export declare function parsePackageName(packageName: string): {
    baseName: string;
    version: string;
} | null;
/**
 * Compare semantic versions
 * Returns: positive if v1 > v2, negative if v1 < v2, zero if equal
 */
export declare function compareVersions(v1: string, v2: string): number;
/**
 * Scan a package directory for StructureDefinitions
 */
export declare function scanPackageDirectory(packagePath: string, availableProfiles: Set<string>): Promise<void>;
/**
 * Scan cache directory for available StructureDefinitions
 * Uses persistent index to avoid rescanning on every startup (saves 2-4s)
 */
export declare function scanCacheDirectory(sourcePath: string, availableProfiles: Set<string>, options?: ScanCacheDirectoryOptions): Promise<number>;
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