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();
     }
 }

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

@@ -1,8 +1,14 @@
-fun f(c: JavaClass) {
+fun f(c: JavaClassInvoke) {
     c()
 }
 
-fun foo(o: JavaClass.OtherJavaClass) {
+fun foo(o: JavaClassInvoke.OtherJavaClass) {
     o()
-    JavaClass.OtherJavaClass.OJC()
-}
+    JavaClassInvoke.OtherJavaClass.OJC()
+}
+
+fun foo() {
+    JavaClassInvoke.INSTANCE()
+    JavaClassInvoke.AnotherOther.INSTANCE()
+    JavaClassInvoke.JavaOther.INSTANCE()
+}

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

@@ -1,8 +1,18 @@
+Resolved INSTANCE()
+Resolved INSTANCE()
+Resolved INSTANCE()
+Resolved INSTANCE()
 Resolved OJC()
 Resolved c()
 Resolved o()
-Searched references to JavaClass
-Searched references to JavaClass.OtherJavaClass
-Searched references to JavaClass.OtherJavaClass.OJC in non-Java files
-Searched references to parameter c of f(c: JavaClass) in non-Java files
-Searched references to parameter o of foo(o: JavaClass.OtherJavaClass) in non-Java files
+Searched references to JavaClassInvoke
+Searched references to JavaClassInvoke.AnotherOther
+Searched references to JavaClassInvoke.Other
+Searched references to JavaClassInvoke.OtherJavaClass
+Searched references to parameter c of f(c: JavaClassInvoke) in non-Java files
+Searched references to parameter o of foo(o: JavaClassInvoke.OtherJavaClass) in non-Java files
+Searched references to static member in non-Java files by request AnotherOther.INSTANCE
+Searched references to static member in non-Java files by request JavaClassInvoke.INSTANCE
+Searched references to static member in non-Java files by request Other.INSTANCE
+Searched references to static member in non-Java files by request OtherJavaClass.INSTANCE
+Searched references to static member in non-Java files by request OtherJavaClass.OJC

idea/testData/findUsages/java/findJavaMethodUsages/javaInvoke.results.txt

@@ -1,3 +1,5 @@
+Implicit 'invoke' 11 JavaClassInvoke.INSTANCE()
+Implicit 'invoke' 12 JavaClassInvoke.AnotherOther.INSTANCE()
 Implicit 'invoke' 2 c()
 Implicit 'invoke' 6 o()
-Implicit 'invoke' 7 JavaClass.OtherJavaClass.OJC()
+Implicit 'invoke' 7 JavaClassInvoke.OtherJavaClass.OJC()

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

@@ -0,0 +1,11 @@
+// PSI_ELEMENT: com.intellij.psi.PsiMethod
+// OPTIONS: usages
+
+public class JavaClassWI {
+    public void <caret>invoke() {
+    }
+
+    public static JavaClassWI INSTANCE = new JavaClass();
+
+    public static class Other extends JavaClassWI {}
+}

idea/testData/findUsages/java/findJavaMethodUsages/javaInvokeWithStaticImport.0.kt

@@ -0,0 +1,5 @@
+import JavaClassWI.Other.INSTANCE
+
+fun foo() {
+    INSTANCE()
+}

idea/testData/findUsages/java/findJavaMethodUsages/javaInvokeWithStaticImport.log

@@ -0,0 +1,6 @@
+Resolved INSTANCE()
+Searched imported static member PsiField:INSTANCE in [JetFile: javaInvokeWithStaticImport.0.kt]
+Searched references to JavaClassWI
+Searched references to JavaClassWI.Other
+Searched references to static member in non-Java files by request JavaClassWI.INSTANCE
+Searched references to static member in non-Java files by request Other.INSTANCE

idea/testData/findUsages/java/findJavaMethodUsages/javaInvokeWithStaticImport.results.txt

@@ -0,0 +1 @@
+Implicit 'invoke' 4 INSTANCE()