export declare class RelationMetrics {
    private _friendship;
    private _love;
    private _sex;
    constructor(friendship?: number, love?: number, sex?: number);
    get friendship(): number;
    get love(): number;
    get sex(): number;
    set friendship(value: number);
    set love(value: number);
    set sex(value: number);
    increaseFriendship(value?: number): void;
    increaseLove(value?: number): void;
    increaseSex(value?: number): void;
    increaseFriendshipPercentage(percentage: number): void;
    increaseLovePercentage(percentage: number): void;
    increaseSexPercentage(percentage: number): void;
    decreaseFriendship(value?: number): void;
    decreaseLove(value?: number): void;
    decreaseSex(value?: number): void;
    decreaseFriendshipPercentage(percentage: number): void;
    decreaseLovePercentage(percentage: number): void;
    decreaseSexPercentage(percentage: number): void;
    copy(): RelationMetrics;
    private calculatePercentage;
}
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