private JavaSymbol.TypeJavaSymbol getClassSymbol(String bytecodeName, int flags) {
   return bytecodeCompleter.getClassSymbol(Convert.flatName(bytecodeName), flags);
 }
 @Test
 public void flatName() {
   assertThat(Convert.flatName("org/example/MyClass")).isEqualTo("org.example.MyClass");
   assertThat(Convert.flatName("org/example/MyClass$InnerClass"))
       .isEqualTo("org.example.MyClass$InnerClass");
 }