import { EmotionalState, MoodState, Thought } from './types';
export declare class MoodEngine {
    private emotionalState;
    private thoughts;
    private moodHistory;
    private moodTransitionRules;
    constructor(initialMood?: MoodState);
    /**
     * Get current emotional state
     */
    getCurrentState(): EmotionalState;
    /**
     * Get current mood
     */
    getCurrentMood(): MoodState;
    /**
     * Update mood based on external stimulus
     */
    updateMood(stimulus: {
        type: 'positive' | 'negative' | 'neutral';
        intensity: number;
        context?: string;
    }): MoodState;
    /**
     * Adjust social battery (for introversion/extraversion simulation)
     */
    adjustSocialBattery(change: number): void;
    /**
     * Generate internal monologue thoughts
     */
    generateInternalMonologue(context?: string): Thought | null;
    /**
     * Add a thought to internal monologue
     */
    addThought(content: string, type: Thought['type'], triggers?: string[]): Thought;
    /**
     * Get recent thoughts
     */
    getRecentThoughts(count?: number): Thought[];
    /**
     * Get thoughts by type
     */
    getThoughtsByType(type: Thought['type']): Thought[];
    /**
     * Get mood history
     */
    getMoodHistory(hours?: number): Array<{
        mood: MoodState;
        timestamp: Date;
    }>;
    /**
     * Simulate natural mood decay over time
     */
    simulateTimePassage(minutes: number): void;
    /**
     * Calculate mood based on current emotional state
     */
    private calculateMoodFromState;
    /**
     * Initialize mood transition rules
     */
    private initializeMoodTransitions;
    /**
     * Record mood change in history
     */
    private recordMoodChange;
    /**
     * Generate contextual thought content
     */
    private generateThoughtContent;
    /**
     * Move a value toward a target gradually
     */
    private moveToward;
}
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