/**
 * Bundler contract resolution helper.
 *
 * Core code uses this thin wrapper instead of importing `esbuild` directly,
 * so the bundler implementation lives in `@veryfront/ext-bundler-esbuild` (or
 * any other extension that satisfies the contract).
 *
 * @module extensions/bundler/helper
 */
import type { BuildContext, BundleOptions, Bundler, BundleResult, TransformOptions, TransformResult } from "./bundler.js";
/** Resolve the registered `Bundler` contract. Throws if no extension provides it. */
export declare function getBundler(): Bundler;
/** Convenience wrapper: `bundler.bundle(opts)`. */
export declare function build(options: BundleOptions): Promise<BundleResult>;
/**
 * Convenience wrapper that mirrors esbuild's `transform(code, options)`
 * positional signature so call-sites migrating off esbuild keep their shape.
 */
export declare function transform(code: string, options?: Omit<TransformOptions, "code">): Promise<TransformResult>;
/**
 * Stop the bundler. Optional — extension teardown will also call this. Provided
 * so tests that previously called `esbuild.stop()` keep working.
 */
export declare function stop(): Promise<void>;
/** Create an incremental build context (watch/rebuild mode). */
export declare function context(options: BundleOptions): Promise<BuildContext>;
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