def __init__(self, args):
    """Abstract class to validate and store properties related to Skia Gold.

    Args:
      args: The parsed arguments from an argparse.ArgumentParser.
    """
    self._git_revision = None
    self._issue = None
    self._patchset = None
    self._job_id = None
    self._local_pixel_tests = None
    self._no_luci_auth = None
    self._bypass_skia_gold_functionality = None
    self._code_review_system = None
    self._continuous_integration_system = None
    self._local_png_directory = None

    self._InitializeProperties(args)