export declare function analyzeSentiment(text: string): {
    score: number;
    positive_hits: string[];
    negative_hits: string[];
    label: 'positive' | 'negative' | 'neutral';
};
/**
 * Aggregate sentiment across multiple texts.
 */
export declare function aggregateSentiment(texts: string[]): {
    score: number;
    count: number;
    positive_count: number;
    negative_count: number;
    neutral_count: number;
    label: string;
};
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