import sinon from 'sinon';
/**
 * Stubs `PackageVersioned__factory.connect` so callers exercise only the
 * `PACKAGE_VERSION()` read that `fetchPackageVersion` performs.
 * Note: callers should call `sandbox.restore()` after tests complete.
 */
export declare function stubPackageVersion(sandbox: sinon.SinonSandbox, packageVersion: () => Promise<string>): void;
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