Use classes to increase search pattern for static declarations

Static common names like 'INSTANCE', 'create' can give many irrelevant
references in the project.

#KT-17000 Fixed
#KT-14974 Fixed

idea/testData/findUsages/java/findJavaMethodUsages/javaInvoke.0.java

@@ -1,11 +1,23 @@
 // PSI_ELEMENT: com.intellij.psi.PsiMethod
 // OPTIONS: usages
 
-public class JavaClass {
+public class JavaClassInvoke {
     public void <caret>invoke() {
     }
 
-    public static class OtherJavaClass extends JavaClass {
+    public static JavaClassInvoke INSTANCE = new JavaClassInvoke();
+
+    public static class Other extends JavaClassInvoke {}
+    public static class AnotherOther extends Other {}
+
+    public static class JavaOther {
+        public void invoke() {
+        }
+
+        public static JavaOther INSTANCE = new JavaOther();
+    }
+
+    public static class OtherJavaClass extends JavaClassInvoke {
         public static OtherJavaClass OJC = new OtherJavaClass();
     }
 }