https://registry.npmjs.org/http-cache-semantics/-/http-cache-semantics-4.1.1.tgz;downloadfilename=npm2/http-cache-semantics-4.1.1.tgz;sha512sum=7abdbde4328f56c57cda3e64c351a3b7e00303f5d81ec6a397cd9c18d406d9eca83e4be05215fe9c32327a5ce12166dbb173f7f441dc23a979b58b36158a985d