method chains completion

java/java-tests/testData/codeInsight/completion/methodChains/testBigrams2/TestCompletion.java

@@ -0,0 +1,31 @@
+import java.jang.String;
+
+/**
+ * @author Dmitry Batkovich <dmitry.batkovich@jetbrains.com>
+ */
+
+
+
+class PsiElement {
+  PsiFile getContainingFile() {
+    return null;
+  }
+}
+
+class PsiFile {
+  VirtualFile getVirtualFile() {
+    return null;
+  }
+}
+
+class VirtualFile {}
+
+
+public class TestCompletion {
+
+  PsiElement e;
+
+  public void method() {
+    VirtualFile vf = <caret>
+  }
+}