import { MarkerCustomConfig, ParserInterface } from './parser.interface';
import { TranslationCollection } from '../utils/translation.collection';
export declare class MarkerParser implements ParserInterface {
    private marker?;
    private customConfig?;
    constructor(marker?: string, customConfig?: [MarkerCustomConfig]);
    extract(source: string, filePath: string): TranslationCollection | null;
    private extractKeysFromSourceFile;
}