import type { Integrity } from '../recipe/integrity.js';
export type Fetch = typeof globalThis.fetch;
export type Limiter = <T>(task: () => Promise<T>) => Promise<T>;
export interface PackumentVersion {
    readonly name: string;
    readonly version: string;
    readonly integrity?: Integrity;
    readonly tarball?: string;
    readonly dependencies?: Readonly<Record<string, string>>;
    readonly devDependencies?: Readonly<Record<string, string>>;
    readonly optionalDependencies?: Readonly<Record<string, string>>;
    readonly peerDependencies?: Readonly<Record<string, string>>;
    readonly peerDependenciesMeta?: Readonly<Record<string, Readonly<{
        optional?: boolean;
    }>>>;
    readonly engines?: Readonly<Record<string, string>>;
    readonly funding?: unknown;
    readonly os?: readonly string[];
    readonly cpu?: readonly string[];
    readonly libc?: readonly string[];
    readonly deprecated?: string;
    readonly bin?: string | Readonly<Record<string, string>>;
    readonly bundledDependencies?: readonly string[];
    readonly hasInstallScript?: boolean;
    readonly license?: string;
    readonly type?: string;
    readonly main?: string;
    readonly exports?: unknown;
}
export interface Packument {
    readonly name: string;
    readonly distTags: Readonly<Record<string, string>>;
    readonly versions: Readonly<Record<string, PackumentVersion>>;
}
export interface RegistryAdapter {
    packument(name: string): Promise<Packument | undefined>;
    resolve(name: string, range: string): Promise<PackumentVersion | undefined>;
    manifest?(name: string, version: string): Promise<PackumentVersion | undefined>;
    readonly limit?: Limiter;
}
export interface ArtifactRoute {
    readonly registryUrl: string;
    readonly fetch: typeof fetch;
    readonly authHeaderFor: (url: string) => string | undefined;
    readonly limit: Limiter;
}
export interface RemoteArtifactRegistry extends RegistryAdapter {
    artifactRoute(name: string): ArtifactRoute | undefined;
}
export interface CacheAdapter {
    packument(name: string): Promise<Packument | undefined>;
}
export interface NpmTarballSource {
    tarball(name: string, version: string): Promise<Uint8Array | undefined>;
}
export interface YarnBerryChecksumSource {
    berryChecksum(name: string, version: string, cacheKey: string): Promise<string | undefined>;
}
export interface NpmCacheAdapter extends CacheAdapter, NpmTarballSource {
}
export interface YarnBerryCacheAdapter extends CacheAdapter, YarnBerryChecksumSource {
}