import type { Plugin, RenderedChunk } from "rollup";
/**
 * Options for the `fixDtsDefaultCjsExportsPlugin`.
 */
export type FixDtsDefaultCjsExportsPluginOptions = {
    /**
     * A function to determine if a chunk should be processed by this plugin.
     * Defaults to processing .d.ts, .d.cts, or .d.mts files that are entry chunks and have exports.
     * @param info The Rollup RenderedChunk object.
     * @returns True if the chunk should be processed, false otherwise.
     */
    matcher?: (info: RenderedChunk) => boolean;
};
/**
 * A Rollup plugin to fix default exports in TypeScript declaration files (.d.ts)
 * to ensure they are CJS compatible (using `export = ...` and namespaces).
 * This is particularly useful for libraries that want to support both ESM and CJS consumers correctly.
 *
 * The plugin handles various scenarios:
 * - `export { MyClass as default };`
 * - `export { default } from 'some-module';`
 * - `export { name as default } from 'some-module';`
 * - `export default from 'some-module';` (an mlly quirk)
 * - Combinations with named exports (value and type exports), creating namespaces where appropriate.
 * - Pure type-only exports like `export { type Foo, type Bar };`
 * @param options Optional configuration for the plugin.
 * @returns The Rollup plugin object.
 */
export declare const fixDtsDefaultCjsExportsPlugin: (options?: FixDtsDefaultCjsExportsPluginOptions) => Plugin;