old_contents: from conan.packager import ConanMultiPackager
  
  if __name__ == "__main__":
      builder = ConanMultiPackager()
      builder.add_common_builds(pure_c=False)
      builder.run()
  
new_contents: from conan.packager import ConanMultiPackager
  
  if __name__ == "__main__":
      builder = ConanMultiPackager()
      builder.add_common_builds(pure_c=False)
      builds = []
      for settings, options, env_vars, build_requires, reference in builder.items:
          settings["cppstd"] = 14
          builds.append([settings, options, env_vars, build_requires])
      builder.builds = builds
      builder.run()
  
subject: Use std 14 in CI