import { type INpmUser } from "../../npm.js";
import { type IPackage } from "../../package/package.js";
export type UpdateTuple = [from: IPackage, to: IPackage];
export declare class DiffUtilities {
    private _fromPkg;
    private _toPkg;
    constructor(_fromPkg: IPackage, _toPkg: IPackage);
    get newMaintainers(): INpmUser[] | undefined;
    get isMaintainerTakeover(): boolean;
    get newPackages(): IPackage[];
    get updatedPackages(): UpdateTuple[];
    get removedPackages(): IPackage[];
}