Smart completion: heuristic parameter types for some methods like Collection.contains()

idea/testData/completion/smart/heuristicSignatures/InOperator.kt

@@ -0,0 +1,24 @@
+import java.util.ArrayList
+
+trait A
+trait B : A
+trait C
+
+fun foo(a: A,  cA: Collection<A>, cB: Collection<B>, cC: Collection<C>, cAny: Collection<Any>,
+        lA: List<A>, lb: List<B>, lC: List<C>, lAny: List<Any>,
+        aA: ArrayList<A>, aB: ArrayList<B>, aC: ArrayList<C>, aAny: ArrayList<Any>) {
+    if (a in <caret>
+}
+
+// EXIST: cA
+// ABSENT: cB
+// ABSENT: cC
+// EXIST: cAny
+// EXIST: lA
+// ABSENT: lB
+// ABSENT: lC
+// EXIST: lAny
+// EXIST: aA
+// ABSENT: aB
+// ABSENT: aC
+// EXIST: aAny