export declare class Happiness {
    private _level;
    constructor(level?: number);
    get value(): number;
    get isHappy(): boolean;
    get isUnhappy(): boolean;
    get isEuphoric(): boolean;
    get isDepressed(): boolean;
    get isNeutral(): boolean;
    increase(amount?: number): void;
    decrease(amount?: number): void;
    increasePercentage(percentage: number): void;
    decreasePercentage(percentage: number): void;
    copy(): Happiness;
}
//# sourceMappingURL=happiness.d.ts.map