text: #!/usr/bin/env python
  """Select operating system specific implementations of builder."""
  import platform
  
  # pylint: disable=unused-import,g-import-not-at-top,g-bad-name
  
  if platform.system() == "Linux":
    from grr_response_core.lib.builders import linux
    LinuxClientBuilder = linux.LinuxClientBuilder
    CentosClientBuilder = linux.CentosClientBuilder
  
  elif platform.system() == "Windows":
    from grr_response_core.lib.builders import windows
    WindowsClientBuilder = windows.WindowsClientBuilder
  
  elif platform.system() == "Darwin":
    from grr_response_core.lib.builders import osx
    DarwinClientBuilder = osx.DarwinClientBuilder
  