/**
 * Clears all import-scanning caches (direct imports, recursive results, and filesystem stats).
 * Should be called when watched files change so that rescanning picks up updated imports.
 */
export declare function clearImportPathsCache(): void;
/**
 * Extracts import paths from a source file.
 * Supports JavaScript, TypeScript, and Rust files.
 * Results are cached per file path to avoid redundant I/O.
 *
 * @param filePath - Path to the file to analyze.
 * @returns Array of absolute paths to imported files.
 */
export declare function extractImportPaths(filePath: string): string[];
/**
 * Recursively extracts import paths from a source file and all its dependencies.
 * Supports JavaScript, TypeScript, and Rust files.
 * Handles circular dependencies by tracking visited files.
 *
 * @param filePath - Path to the file to analyze.
 * @param visited - Set of already visited files to prevent infinite recursion.
 * @returns Array of absolute paths to the provided file and all imported files there (including nested imports).
 * @throws If an unexpected error occurs while processing files (not including ENOENT file not found errors).
 */
export declare function extractImportPathsRecursively(filePath: string, visited?: Set<string>): string[];
/**
 * Returns diagnostic information about the import scanning caches.
 * Useful for debugging performance issues with --verbose.
 *
 * @returns Cache size stats for directImports, fileExists, and isDir.
 */
export declare function getImportScanningCacheStats(): {
    directImports: number;
    fileExists: number;
    isDir: number;
};
/**
 * Extracts import paths from a JavaScript content.
 *
 * @param content - The content to extract imports from.
 * @param filePath - The path to the file to extract imports from.
 * @returns Array of absolute paths to imported files.
 */
export declare function extractJSImports(content: string, filePath: string): string[];