import { DiplomacyRepository } from '../../storage/repos/diplomacy.repo.js';
import { NationRepository } from '../../storage/repos/nation.repo.js';
export declare class DiplomacyEngine {
    private diplomacyRepo;
    private nationRepo;
    constructor(diplomacyRepo: DiplomacyRepository, nationRepo: NationRepository);
    proposeAlliance(fromNationId: string, toNationId: string): {
        success: boolean;
        reason?: string;
    };
    breakAlliance(fromNationId: string, toNationId: string): void;
    adjustOpinion(fromNationId: string, toNationId: string, delta: number): void;
    sendMessage(fromNationId: string, toNationId: string, message: string): void;
    private establishAlliance;
    private logEvent;
}
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