import { CalculationResult } from './schemas.js';
export declare class CombatEngine {
    private diceEngine;
    constructor(seed?: string);
    attackRoll(attacker: {
        attackBonus: number;
        critRange?: number;
    }, target: {
        ac: number;
    }, advantage?: boolean, disadvantage?: boolean): CalculationResult;
    damageRoll(damageExpr: string, isCrit?: boolean): CalculationResult;
    savingThrow(dc: number, modifier: number, advantage?: boolean, disadvantage?: boolean): CalculationResult;
    fallDamage(feet: number): CalculationResult;
    encounterBalance(partyLevels: number[], enemyCRs: number[]): {
        difficulty: string;
        xpBudget: number;
        adjustedXP: number;
    };
}
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