/**
 * @license
 * Copyright 2019 Ludan Stoecklé
 * SPDX-License-Identifier: Apache-2.0
 */
import { LanguageFilter } from './LanguageFilter';
import { LanguageCommon } from 'rosaenlg-commons';
export declare class LanguageFilterEnglish extends LanguageFilter {
    constructor(languageCommon: LanguageCommon);
    protectRawNumbers(input: string): string;
    beforeProtect(input: string): string;
    justBeforeUnprotect(input: string): string;
    private enPossessives;
    private enPossessivesBeforeProtect;
    private aAnGeneric;
    private redoCapitalization;
    titlecase(input: string): string;
    cleanSpacesPunctuationCorrect(input: string): string;
}