import { type Plugin } from "esbuild";
/**
 * ESBuild plugin that ensures all relative import paths in the output files
 * have the correct file extensions (.mjs or .cjs), appending them if missing.
 * This is useful for environments that require explicit file extensions in imports.
 *
 * @returns {import('esbuild').Plugin} An ESBuild plugin object.
 */
export declare const fixExtensionsPlugin: () => Plugin;
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