export declare class LevelSystem {
    /**
     * Calculate total XP required for a given level
     * Formula: 100 * level * 1.5^(level-1)
     */
    static getXPForLevel(level: number): number;
    /**
     * Calculate XP needed to reach the next level
     */
    static getXPToNextLevel(currentLevel: number, currentXP: number): number;
    /**
     * Get the progress percentage towards the next level
     */
    static getLevelProgress(currentLevel: number, currentXP: number): number;
    /**
     * Check if the given XP is enough for a level up
     */
    static checkLevelUp(currentLevel: number, newXP: number): boolean;
    /**
     * Calculate the new level after gaining XP
     */
    static calculateNewLevel(currentLevel: number, newXP: number): number;
    /**
     * Get the level title/rank
     */
    static getLevelTitle(level: number): string;
    /**
     * Get max stats bonus based on level
     */
    static getStatBonus(level: number): number;
}
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