public Token LT(int k) {lazyInit();if ( k==0 ) return null;if ( k < 0 ) return LB(-k);int i = p + k - 1;sync(i);if ( i >= tokens.size() ) { return tokens.get(tokens.size()-1);}return tokens.get(i);}
public virtual IToken LT(int k){LazyInit();if (k == 0){return null;}if (k < 0){return Lb(-k);}int i = p + k - 1;Sync(i);if (i >= tokens.Count){return tokens[tokens.Count - 1];}return tokens[i];}