import { VcsysBlockManifest, InstalledBlock } from '../types';
import { RegistryClient } from './registry-client';
export interface DependencyTree {
    name: string;
    version: string;
    dependencies: DependencyTree[];
    optional?: boolean;
}
export interface ResolutionResult {
    toInstall: string[];
    conflicts: string[];
    missing: string[];
}
export declare class DependencyResolver {
    private registryClient;
    private installedBlocks;
    constructor(registryClient: RegistryClient, installedBlocks?: InstalledBlock[]);
    resolveDependencies(packageName: string, manifest: VcsysBlockManifest): Promise<ResolutionResult>;
    private resolveDependencyTree;
    private getPackageManifest;
    private normalizePackageName;
    buildDependencyTree(packageName: string, manifest: VcsysBlockManifest, depth?: number): DependencyTree;
    printDependencyTree(tree: DependencyTree, indent?: string): string;
    checkCircularDependencies(tree: DependencyTree, visited?: Set<string>): string[];
    updateInstalledBlocks(installedBlocks: InstalledBlock[]): void;
}