import type { LoaderContext } from '@rspack/core';
import { type FlowLoaderOptions } from './options.js';
export declare const raw = false;
/**
 * Whether a Flow source uses syntax that `flow-remove-types` can't strip and
 * has to be lowered by the React Native parser instead.
 */
export declare function needsFlowLowering(source: string): boolean;
export default function flowLoader(this: LoaderContext<FlowLoaderOptions>, source: string): Promise<void>;