import { Translator } from './translator';
import { SourceLanguageCode, DeepLClientOptions, WriteResult } from './types';
export declare enum WritingStyle {
    ACADEMIC = "academic",
    BUSINESS = "business",
    CASUAL = "casual",
    DEFAULT = "default",
    PREFER_ACADEMIC = "prefer_academic",
    PREFER_BUSINESS = "prefer_business",
    PREFER_CASUAL = "prefer_casual",
    PREFER_SIMPLE = "prefer_simple",
    SIMPLE = "simple"
}
export declare enum WritingTone {
    CONFIDENT = "confident",
    DEFAULT = "default",
    DIPLOMATIC = "diplomatic",
    ENTHUSIASTIC = "enthusiastic",
    FRIENDLY = "friendly",
    PREFER_CONFIDENT = "prefer_confident",
    PREFER_DIPLOMATIC = "prefer_diplomatic",
    PREFER_ENTHUSIASTIC = "prefer_enthusiastic",
    PREFER_FRIENDLY = "prefer_friendly"
}
export declare class DeepLClient extends Translator {
    constructor(authKey: string, options?: DeepLClientOptions);
    rephraseText<T extends string | string[]>(texts: T, targetLang: SourceLanguageCode | null, writingStyle?: string | null, tone?: string | null): Promise<T extends string ? WriteResult : WriteResult[]>;
}