Experimental feature to show properties in completion after prefix with "get" or "set"

idea/idea-completion/testData/basic/common/GetPrefixForProperties.kt

@@ -0,0 +1,18 @@
+class C : Thread() {
+    val property1: Int = 0
+    var property2: Int = 0
+    var xxx: Int = 0
+
+    fun getPPP() = 1
+}
+
+fun foo(c: C) {
+    c.getP<caret>
+}
+
+// EXIST: property1
+// EXIST: property2
+// EXIST: getPPP
+// EXIST_JAVA_ONLY: priority
+// ABSENT: getPriority
+// ABSENT: xxx