import { Capabilities } from "./capability";
import { CrochetPackage, RestrictedCrochetPackage } from "./pkg";
import { Target } from "./target";
export interface IPackageResolution {
    get_package(name: string): Promise<CrochetPackage>;
}
export declare class PackageGraph {
    readonly target: Target;
    readonly packages: Map<string, RestrictedCrochetPackage>;
    constructor(target: Target, packages: Map<string, RestrictedCrochetPackage>);
    static resolve(target: Target, resolver: IPackageResolution, pkg: CrochetPackage): Promise<PackageGraph>;
    get capability_requirements(): Set<string>;
    get_package(name: string): RestrictedCrochetPackage;
    parents(name: string): import("./dependency").Dependency[];
    check_capabilities(name: string, capabilities: Capabilities): void;
    check_target(root: string): void;
    check(root: string, capabilities: Capabilities): void;
    serialise(root: string): Generator<RestrictedCrochetPackage, void, unknown>;
}