def __init__(self, project):
    self.project = project
    self.graph = nx.DiGraph()
    # A map of rule paths to rules, if they exist
    self.rule_nodes = {}
Return a dictionary of column family definitions for the given
dataset/ETHPy150Open google/anvil-build/anvil/graph.py/RuleGraph.__init__--crossover with--dataset/ETHPy150Open saltstack/salt/salt/modules/cassandra.py/column_family_definition