private IEnumerable <SyntaxTrivia> DescendantTriviaImpl(TextSpan span, Func <SyntaxNode, bool> descendIntoChildren = null, bool descendIntoTrivia = false)
{
return(descendIntoTrivia
? DescendantTriviaIntoTrivia(span, descendIntoChildren)
: DescendantTriviaOnly(span, descendIntoChildren));
}
private IEnumerable <SyntaxNode> DescendantNodesAndTokensImpl(TextSpan span, Func <SyntaxNode, bool> descendIntoChildren, bool descendIntoTrivia, bool includeSelf)
{
return(descendIntoTrivia
? DescendantNodesAndTokensIntoTrivia(span, descendIntoChildren, includeSelf)
: DescendantNodesAndTokensOnly(span, descendIntoChildren, includeSelf));
}