import { type PluginId } from '@zhin.js/plugin-runtime';
import type { PackageReference } from './manifest.js';
import { type PackageResolver, type ResolvedPackage } from './package-resolver.js';
export interface FeatureRequirementNode {
    readonly reference: PackageReference;
    readonly package: ResolvedPackage;
}
export interface PluginGraphNode {
    readonly id: PluginId;
    readonly instanceKey: string;
    readonly package: ResolvedPackage;
    readonly parent?: PluginId;
    readonly features: readonly FeatureRequirementNode[];
    readonly children: readonly PluginGraphNode[];
}
export interface ProjectGraph {
    readonly root: PluginGraphNode;
    readonly packages: ReadonlyMap<string, ResolvedPackage>;
    readonly buildOrder: readonly ResolvedPackage[];
}
export interface ProjectGraphServiceOptions {
    readonly engineVersion?: string;
    readonly disabledPluginInstanceKeys?: readonly string[];
}
export declare class ProjectGraphError extends Error {
    constructor(message: string);
}
export declare class ProjectGraphService {
    #private;
    constructor(resolver: PackageResolver, engineVersionOrOptions?: string | ProjectGraphServiceOptions);
    inspect(projectRoot: string): Promise<ProjectGraph>;
}