import type { MudletMap, MudletRoom } from '../../mapIO';
import type { MudletLabel, MudletArea } from 'mudlet-map-binary-reader';
export interface PropertyChange {
    from: any;
    to: any;
}
export type PropertyDiff = Record<string, PropertyChange>;
export interface EntityDiff<T> {
    added: T[];
    deleted: T[];
    updated: Record<string, PropertyDiff>;
}
export interface MapDiff {
    rooms: EntityDiff<MudletRoom & {
        id: number;
    }>;
    labels: EntityDiff<MudletLabel & {
        areaId: number;
    }>;
    areas: EntityDiff<MudletArea & {
        id: number;
    }>;
    map: PropertyDiff;
}
export declare function getPropertyDiff(obj1: unknown, obj2: unknown): PropertyDiff;
/** Compute a structural diff between two in-memory maps (v1 = old, v2 = new). */
export declare function computeMapDiff(v1: MudletMap, v2: MudletMap): MapDiff;
export interface DiffCounts {
    rooms: {
        added: number;
        deleted: number;
        updated: number;
    };
    labels: {
        added: number;
        deleted: number;
        updated: number;
    };
    areas: {
        added: number;
        deleted: number;
        updated: number;
    };
    map: number;
    total: number;
}
export declare function countDiff(diff: MapDiff): DiffCounts;