completion: diamonds; inspection: collapse to diamond

java/java-tests/testData/codeInsight/completion/smartType/DiamondCollapsed-out.java

@@ -0,0 +1,8 @@
+class MyClass {
+  public void foo() {
+    MyDD<String> d = new MyDD<>()<caret>
+  }
+}
+
+class MyDD<T> {
+}

java/java-tests/testData/codeInsight/completion/smartType/DiamondCollapsed.java

@@ -0,0 +1,8 @@
+class MyClass {
+  public void foo() {
+    MyDD<String> d = new MyD<caret>
+  }
+}
+
+class MyDD<T> {
+}