public RuleRelations(int ruleCount)
{
parents = new BitSet[ruleCount];
for (int i = 0; i < ruleCount; i++)
{
parents[i] = new BitSet();
}
children = new BitSet[ruleCount];
for (int i_1 = 0; i_1 < ruleCount; i_1++)
{
children[i_1] = new BitSet();
}
}