@abstractmethod
  def _relative_readlink_raw(self, relpath):
Args:
dataset/ETHPy150Open pantsbuild/pants/src/python/pants/base/project_tree.py/ProjectTree._relative_readlink_raw--crossover with--dataset/ETHPy150Open pinterest/kingpin/kingpin/manageddata/managed_datastructures.py/ManagedList.__init__