docs: def Parse(self, cmd, args, stdout, stderr, return_val, time_taken,
              knowledge_base):
      """Parse the yum output."""
      _ = stderr, time_taken, args, knowledge_base  # Unused.
      self.CheckReturn(cmd, return_val)
      packages = []
      for line in stdout.decode("utf-8").splitlines()[1:]:  # Ignore first line
        cols = line.split()
        name_arch, version, source = cols
        name, arch = name_arch.split(".")
  
        status = rdf_client.SoftwarePackage.InstallState.INSTALLED
        packages.append(
            rdf_client.SoftwarePackage(
                name=name,
                publisher=source,
                version=version,
                architecture=arch,
                install_state=status))
  
      if packages:
        yield rdf_client.SoftwarePackages(packages=packages)