// Adds every syntax/bound pair in a tree rooted at the given bound node to the map, and the
// performs a lookup of the given syntax node in the map.
private BoundNode AddBoundTreeAndGetBoundNodeFromMap(SyntaxNode syntax, BoundNode bound)
{
using (nodeMapLock.DisposableWrite())
{
NodeMapBuilder.AddToMap(bound, this.guardedNodeMap);
BoundNode result;
this.guardedNodeMap.TryGetValue(syntax, out result);
return(result);
}
}
