module A {
    class C {
        constructor(public d: { foo: any }) { }
    }
}

        function isUniqueLocalName(name: string, container: Node): boolean {
            for (var node = container; isNodeDescendentOf(node, container); node = node.nextContainer) {
                if (node.locals && hasProperty(node.locals, name) && node.locals[name].flags & (SymbolFlags.Value | SymbolFlags.ExportValue)) {
                    return false;
                }
            }
            return true;
        }

        // All container nodes are kept on a linked list in declaration order. This list is used by the getLocalNameOfContainer function
        // in the type checker to validate that the local name used for a container is unique.
        function bindChildren(node: Declaration, symbolKind: SymbolFlags) {
            if (symbolKind & SymbolFlags.HasLocals) {
                node.locals = {};
            }
            var saveParent = parent;
            var saveContainer = container;
            parent = node;
            if (symbolKind & SymbolFlags.IsContainer) {
                container = node;
                if (lastContainer) {
                    Debug.assert(lastContainer !== container); // assert fails
                    lastContainer.nextContainer = container;
                }
                lastContainer = container;
            }
            forEachChild(node, bind);
            container = saveContainer;
            parent = saveParent;
        }