code: function getReferencedDeclarationWithCollidingName(node) {
              var symbol = getReferencedValueSymbol(node);
              return symbol && isSymbolOfDeclarationWithCollidingName(symbol) ? symbol.valueDeclaration : undefined;
          }
docs: When resolved as an expression identifier, if the given node references a nested block scoped entity with a name that either hides an existing name or might hide it when compiled downlevel, return the declaration of that entity. Otherwise, return undefined.