Array of token references that all together build up the definition of the current token. If the array is not empty, it means that the definition is a BNF rule (qIsBnfRule is set to true). There are a few exceptions where some BNF rules have an empty array (qBnf is empty).

public IEnumerable<int> Bnf { get; set; }

Public Property Bnf As IEnumerable(Of Integer)
	Get
	Set