import type { PackageCache, PackageRanges } from './types.js';
import { CdnClient } from './cdnClient.js';
import { SemverService } from './semver.js';
export type EffectivePackageResult = {
    effectivePackage: string;
    root: string;
    range?: string;
    pinned?: string;
};
export declare class VersionResolver {
    private cache;
    private cdn;
    private semver;
    constructor(cache: PackageCache, cdn: CdnClient, semver: SemverService);
    /**
     * Learns the best available version for a package (no caching).
     * Used by packageAuto to determine what version we'd assign fresh.
     */
    learnExactVersion(name: string): Promise<string | undefined>;
    resolveExactForRoot(root: string, range?: string): Promise<string | undefined>;
    effectivePackage(pkg: string, ranges: PackageRanges): Promise<{
        effectivePackage: string;
        root: string;
        range: string;
        pinned: string | undefined;
    }>;
}
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