import type { PackageInfo } from '../types/PackageInfo';
import type { NpmOptions } from '../types/NpmOptions';
/**
 * List versions matching the appropriate tag for each package (based on combined CLI, package, and repo options).
 * Respects `options.npmReadConcurrency` for concurrency limiting.
 */
export declare function listPackageVersionsByTag(packageInfos: PackageInfo[], options: NpmOptions): Promise<{
    [pkg: string]: string;
}>;
/**
 * List all the versions of each package name.
 * Respects `options.npmReadConcurrency` for concurrency limiting.
 * @returns List of packages and versions
 */
export declare function listPackageVersions(packageList: string[], options: NpmOptions): Promise<{
    [pkg: string]: string[];
}>;
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