multiple jdks/not exported dependencies: check that declared type of the qualifier doesn't contain unknown types

java/java-tests/testData/codeInsight/multipleJdks/java7/p/DeclaredTypeOfVariableImplementsUnknownType.java

@@ -0,0 +1,6 @@
+package p;
+abstract class B {
+  void f(A a) {
+    <error descr="Cannot access java.util.stream.Stream">a</error>.foo();
+  }
+}

java/java-tests/testData/codeInsight/multipleJdks/java8/p/DeclaredTypeOfVariableImplementsUnknownType.java

@@ -0,0 +1,7 @@
+package p;
+import java.util.stream.Stream;
+import java.util.List;
+
+public abstract class A implements List<Stream<String>> {
+  public void foo() {}
+}