add addressspace ref. to basenode

src/ua/IAddressSpace.ts

@@ -0,0 +1,9 @@
+import { UABaseNode } from "./UABaseNode";
+import type { UANodeSet } from "./UANodeSet";
+
+
+export interface IAddressSpace {
+    getSubTreeAsList(nodeId: string): UABaseNode[];
+    findNode(nodeId: string):UABaseNode|undefined;
+    addNodeset(nodeset: UANodeSet):void;
+}