/**
 * Module Writer
 *
 * Handles the core async transform and write pipeline for MDX ESM modules.
 * Manages module caching, HTTP bundle verification, framework bundle
 * regeneration, and dynamic import execution.
 *
 * @module build/transforms/mdx/esm-module-loader/module-writer
 */
import { verifyCacheFileExists } from "../../../utils/cache-file-ops.js";
import type { MDXModule } from "../types.js";
import type { ESMLoaderContext } from "./types.js";
export declare function buildMdxModuleNamespaceKey(projectId: string, reactVersion: string, dependencyPinningCacheKey?: string, moduleServerOrigin?: string, serverExternalPackages?: readonly string[]): Promise<string>;
export declare function buildMdxModuleCacheIdentity(esmCacheDir: string, projectId: string, reactVersion: string, rewrittenCode: string, dependencyPinningCacheKey?: string, moduleServerOrigin?: string, serverExternalPackages?: readonly string[]): Promise<{
    namespaceKey: string;
    codeHash: string;
    compositeKey: string;
    namespaceDir: string;
    filePath: string;
    importUrl: string;
}>;
/**
 * Verify an MDX module cache file, mirroring the SSR loader's handling of the
 * throwing `verifyCacheFileExists`: a genuinely absent file returns `false`,
 * while an operational stat failure (EACCES, EIO, ...) drops the stale
 * in-memory module index entry — so a repaired filesystem cannot keep routing
 * requests to untrusted metadata — and is rethrown inside the CACHE_ERROR
 * taxonomy with the original error attached as `cause`.
 */
declare function verifyMdxCacheFile(localFs: Parameters<typeof verifyCacheFileExists>[0], filePath: string, context: Pick<ESMLoaderContext, "moduleCache">, compositeKey: string): Promise<boolean>;
/** Internal test seam for cache verification error handling. */
export declare const __moduleWriterInternals: {
    verifyMdxCacheFile: typeof verifyMdxCacheFile;
};
export declare function doLoadModuleESM(compiledProgramCode: string, context: ESMLoaderContext): Promise<MDXModule>;
export {};
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