import { ParserOptions } from "@babel/core";
import { ExtractorType, ExtractedMessage, ExtractorCtx } from "@lingui/conf";
import { ParserPlugin } from "@babel/parser";
export declare const babelRe: RegExp;
/**
 * @public
 *
 * Low level function used in default Lingui extractor.
 * This function setup source maps and lingui plugins needed for
 * extraction process but leaving `parserOptions` up to userland implementation.
 *
 *
 * @example
 * ```ts
 * const extractor: ExtractorType = {
 *   ...
 *   async extract(filename, code, onMessageExtracted, ctx) {
 *     return extractFromFileWithBabel(filename, code, onMessageExtracted, ctx, {
 *       // https://babeljs.io/docs/babel-parser#plugins
 *       plugins: [
 *         "decorators-legacy",
 *         "typescript",
 *         "jsx",
 *       ],
 *     })
 *   },
 * }
 * ```
 */
export declare function extractFromFileWithBabel(filename: string, code: string, onMessageExtracted: (msg: ExtractedMessage) => void, ctx: ExtractorCtx, parserOpts: ParserOptions, skipMacroPlugin?: boolean): Promise<void>;
export declare function getBabelParserOptions(filename: string, parserOptions: BabelExtractorOptions["parserOptions"]): ParserPlugin[];
export type BabelExtractorOptions = {
    parserOptions?: {
        /**
         * default false
         *
         * By default, standard decorators (Stage3) are applied for TS files
         * Enable this if you want to use TypesScript's experimental decorators.
         */
        tsExperimentalDecorators?: boolean;
        /**
         * Enable if you use flow. This will apply Flow syntax to js files
         */
        flow?: boolean;
    };
};
export declare function createBabelExtractor(options?: BabelExtractorOptions): ExtractorType;
export declare const babelExtractor: ExtractorType;
export default babelExtractor;