export interface ProcessedInput {
    original: string;
    normalized: string;
    tokens: string[];
    stems: string[];
    entities: Entity[];
    language: string;
    sentiment?: number;
    _keywords: string[];
}
export interface Entity {
    text: string;
    type: "code" | "file" | "url" | "number" | "command" | "language" | "framework";
    value: unknown;
    position: number;
}
export declare class NaturalLanguageProcessor {
    private stopWords;
    private contractionMap;
    private initialized;
    constructor();
    initialize(): Promise<void>;
    process(input: string, language?: string): Promise<ProcessedInput>;
    private normalize;
    private tokenize;
    private tokenizeEnglish;
    private tokenizeJapanese;
    private tokenizeChinese;
    private tokenizeKorean;
    private stem;
    private extractEntities;
    private extractKeywords;
    private normalizeJapanese;
    private normalizeChinese;
    private normalizeKorean;
    private normalizeVietnamese;
    private tokenizeVietnamese;
    private initializeStopWords;
    private initializeContractions;
    detectIntent(processedInput: ProcessedInput): Promise<string[]>;
}