/**
 * @license
 * Copyright 2019 Ludan Stoecklé
 * SPDX-License-Identifier: Apache-2.0
 */
export type Tense = 'SIMPLE_PAST' | 'PAST' | 'SIMPLE_PRESENT' | 'PRESENT' | 'SIMPLE_FUTURE' | 'FUTURE' | 'PROGRESSIVE_PAST' | 'PROGRESSIVE_PRESENT' | 'PROGRESSIVE_FUTURE' | 'PERFECT_PAST' | 'PERFECT_PRESENT' | 'PERFECT_FUTURE' | 'PERFECT_PROGRESSIVE_PAST' | 'PERFECT_PROGRESSIVE_PRESENT' | 'PERFECT_PROGRESSIVE_FUTURE' | 'PARTICIPLE_PRESENT' | 'PARTICIPLE_PAST';
export type Person = 0 | 1 | 2 | 3 | 4 | 5;
interface EnglishGerunds {
    [inf: string]: string;
}
interface EnglishVerbsIrregular {
    [key: string]: EnglishVerbIrregular;
}
declare type EnglishVerbIrregular = string[][];
export interface VerbsInfo {
    [key: string]: VerbInfo;
}
export type VerbInfo = (string | null)[];
export interface ExtraParams {
    GOING_TO?: boolean;
    WILL?: boolean;
    NEGATIVE?: boolean;
    CONTRACT?: boolean;
    NO_DO?: boolean;
}
export declare function mergeVerbsData(irregularsInfo: EnglishVerbsIrregular, gerundsInfo: EnglishGerunds): VerbsInfo;
export declare function getIngPart(verbsInfo: VerbsInfo, verb: string): string;
export declare function getVerbInfo(verbsInfo: VerbsInfo, verb: string): VerbInfo | null;
export declare function getConjugation(verbsInfo: VerbsInfo, verb: string, tense: Tense, person: Person, extraParams: ExtraParams): string;
export {};