import { EmotionalContext, EmotionalState, EmotionalTrendEntry } from '../context';
/**
 * Emotional context implementation
 */
export declare class EmotionalContextImpl implements EmotionalContext {
    private emotions;
    private maxHistory;
    addEmotion(emotion: EmotionalState): void;
    get currentEmotion(): EmotionalState;
    get emotionalTrends(): EmotionalTrendEntry[];
    getEmotionalTrend(timeRange: {
        start: Date;
        end: Date;
    }): EmotionalTrendEntry[];
}