add on demand imports for code references, e.g. allow to collapse nested class creation (IDEA-65357 )

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/addOnDemandStaticImport/afterCollapseInnerClass.java

@@ -0,0 +1,10 @@
+// "Add on demand static import for 'java.lang.Thread'" "true"
+package test;
+
+import static java.lang.Thread.*;
+
+public class Foo {
+    {
+        <caret>State en = new State();
+    }
+}

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/quickFix/addOnDemandStaticImport/beforeCollapseInnerClass.java

@@ -0,0 +1,8 @@
+// "Add on demand static import for 'java.lang.Thread'" "true"
+package test;
+
+public class Foo {
+    {
+        Thre<caret>ad.State en = new Thread.State();
+    }
+}