import type { RollupBabelInputPluginOptions, IProcessEnvRunTimeOptions } from '../types';
/**
 * Configure Rollup's babel plugin.
 *
 * The following is taking care of shaping bili config
 * so that we don't need to pollute each project's bili.config.ts
 */
export declare const babel: (opts: IProcessEnvRunTimeOptions) => RollupBabelInputPluginOptions;
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