/**
 * EmotionSystem.ts
 *
 * Emotion states: mood tracking, decay over time,
 * relationship modifiers, and emotion-triggered events.
 *
 * @module dialogue
 */
export type EmotionType = 'joy' | 'anger' | 'sadness' | 'fear' | 'trust' | 'surprise';
export interface EmotionState {
    type: EmotionType;
    intensity: number;
    decayRate: number;
}
export interface Relationship {
    entityA: string;
    entityB: string;
    affinity: number;
}
export type EmotionTrigger = (entityId: string, emotion: EmotionType, intensity: number) => void;
export declare class EmotionSystem {
    private emotions;
    private relationships;
    private triggers;
    setEmotion(entityId: string, type: EmotionType, intensity: number, decayRate?: number): void;
    getEmotion(entityId: string, type: EmotionType): number;
    getDominantEmotion(entityId: string): EmotionType | null;
    update(dt: number): void;
    setRelationship(entityA: string, entityB: string, affinity: number): void;
    getRelationship(entityA: string, entityB: string): number;
    modifyRelationship(entityA: string, entityB: string, delta: number): void;
    onEmotionChange(trigger: EmotionTrigger): void;
    getEntityEmotions(entityId: string): EmotionType[];
}
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