private static IEnumerable<IWhitespaceNode> GetLineFeedsTo(this ITreeNode fromNode, ITreeNode toNode) { return fromNode.GetWhitespacesTo(toNode) .Where(wsNode => (wsNode.GetTokenType() == NTriplesTokenType.NEW_LINE) && (wsNode is IWhitespaceNode)) .Cast<IWhitespaceNode>(); } }