export interface ExtractedEntity {
    text: string;
    type: string;
    start: number;
    end: number;
}
export interface ExtractedRelationship {
    from: string;
    to: string;
    type: string;
    context: string;
    confidence: number;
}
export interface ExtractionResult {
    entities: {
        people: ExtractedEntity[];
        organizations: ExtractedEntity[];
        places: ExtractedEntity[];
        dates: ExtractedEntity[];
        technologies: ExtractedEntity[];
        projects: ExtractedEntity[];
    };
    relationships: ExtractedRelationship[];
    keywords: string[];
    summary?: string;
}
export declare class EntityExtractor {
    private nlp;
    private its;
    private as;
    private quiet;
    constructor(quiet?: boolean);
    private log;
    extract(text: string): Promise<ExtractionResult>;
    private extractEntities;
    private extractCustomEntities;
    private extractRelationships;
    private findEntity;
    private deduplicateRelationships;
    private extractKeywords;
    private generateSummary;
    private isStopWord;
    extractBatch(texts: string[]): Promise<ExtractionResult[]>;
}
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