code: public static DockerCredentialHelperAuth get(final String credsStore, final String registry)
        throws IOException {
      return credentialHelperDelegate.get(credsStore, registry);
    }
docs: Get an auth value from a credsStore for a registry.
  @param credsStore Name of the docker credential helper
  @param registry The registry for which you want to auth
  @return A {@link DockerCredentialHelperAuth} auth object
  @throws IOException When we cannot read from the credential helper