import { Vulnerability } from './vulnerability-checker';
export interface Registrar {
    retrieve: RegistryRetriever;
}
export type RegistryRetriever = (libraryName: string) => LibraryInfo | Promise<LibraryInfo>;
interface LibraryVersion {
    version: string;
    timestamp: number;
    licenses?: string | string[];
    downloads?: number;
    latest: boolean;
}
export interface LibraryInfo {
    name: string;
    description?: string;
    versions: LibraryVersion[];
    licenses: string[];
    keywords?: string[];
    issuesUrl?: string[];
    reposUrl?: string[];
    homepageUrl?: string;
    documentationUrl?: string;
    packageUrl?: string;
    downloads?: number;
    authors?: string[];
    vulnerabilities?: Vulnerability[];
    requiresLicenseAcceptance?: boolean;
}
export declare abstract class AbstractRegistrar implements Registrar {
    private readonly next;
    constructor(next?: Registrar | null);
    retrieve(libraryName: string): Promise<LibraryInfo>;
    abstract retrieveFromRegistry(libraryName: string): LibraryInfo | Promise<LibraryInfo>;
}
export type RegistryType = 'maven' | 'npm' | 'pypi' | 'nuget' | 'packagist';
export declare class LibrariesIORegistrar extends AbstractRegistrar {
    private readonly registryType;
    constructor(registryType: RegistryType);
    retrieveFromRegistry(libraryName: string): Promise<LibraryInfo>;
}
export {};