IDEA-149077 Default decompiler is chosen for several classes instead of Fernflower - tests

testData/obfuscated/l.java

@@ -0,0 +1,19 @@
+import java.util.ArrayList;
+import java.util.Collection;
+import java.util.List;
+
+public class l<T> implements k<T> {
+   private List<T> a = new ArrayList();
+
+   public void a(T var1) {
+      this.a.add(var1);
+   }
+
+   public void a(Collection<? extends T> var1) {
+      this.a.addAll(var1);
+   }
+
+   public List<T> a() {
+      return this.a;
+   }
+}