/**
 * HTTP Bundle Validation Helpers for SSR Module Loader
 *
 * Extracts and validates HTTP bundle paths from transformed code.
 * Used to proactively recover missing bundles before module import.
 *
 * @module module-system/react-loader/ssr-module-loader/http-bundle-helpers
 */
import { LRUCache } from "../../../utils/lru-wrapper.js";
/**
 * Visit VF module code blocks imported by the given module, including nested VF modules.
 * The visitor receives both the module code and the absolute vfmod file path.
 */
export declare function visitImportedVfModules(code: string, visitor: (vfModuleCode: string, vfModulePath?: string) => void | Promise<void>): Promise<void>;
/**
 * Recursively extract all HTTP bundle paths from code and any VF modules it imports.
 * This ensures transitive HTTP bundle dependencies through VF modules are discovered.
 */
export declare function extractAllHttpBundlePathsRecursive(code: string): Promise<Array<{
    path: string;
    hash: string;
}>>;
/** Extract HTTP bundle paths from transformed code for proactive recovery */
export declare function extractHttpBundlePaths(code: string): Array<{
    path: string;
    hash: string;
}>;
/**
 * Extract ALL file:// paths from cached code (local imports + HTTP bundles).
 * Used to validate that all paths in cached transforms exist locally before use.
 * This prevents "Module not found" errors when Redis returns transforms from
 * other pods with different temp directories.
 */
export declare function extractAllFilePaths(code: string): string[];
/**
 * Extract all file:// paths from cached code and any transitively imported VF modules.
 * This catches stale pod-local paths that only appear in nested vfmod dependencies.
 */
export declare function extractAllFilePathsRecursive(code: string): Promise<string[]>;
/**
 * Track modules whose HTTP bundles have been verified, keyed by tempPath:contentHash.
 * Bounded LRU to prevent unbounded memory growth in long-running pods.
 * Keying by contentHash ensures verification is re-done when content changes at the same path.
 */
export declare const verifiedHttpBundlePaths: LRUCache<string, true>;
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