public AstManager()
{
var source = new IdSource();
DetachedAstContainer = new AstContainer <IDeclaredElement>(source);
PsiContainer = new AstContainer <ITreeNode>(source);
TypeContainer = new AstContainer <IArrayType>(source);
}
private static TResult TryMapWith <TNode, TBaseNode, TResult>(
int id,
[NotNull] AstContainer <TBaseNode> container,
[NotNull] Func <TNode, TResult> mapper
)
where TNode : TBaseNode
where TBaseNode : class
{
var node = container.TryGetElement(id);
if (node == null)
{
return(default);
