return
        }
        if (classDetails.visited) {
            val fileName = classDetails.outputClassFilename
            val classFile = classesDir.resolve(fileName)
            jarOutputStream.addJarEntry(fileName, classFile)
            for (dependency in classDetails.dependencies) {
                visitTree(dependency, classesDir, jarOutputStream, visited)
            }
        }
    }

    private
    val JApiClass.kotlinSourceFilePath: String
        get() = "$packagePath/$bytecodeSourceFilename"

    private
    val JApiClass.bytecodeSourceFilename: String
        get() = newClass.orElse(null)?.classFile?.getAttribute("SourceFile")?.let { it as? SourceFileAttribute }?.fileName
            ?: error("Bytecode for $fullyQualifiedName is missing the 'SourceFile' attribute")

  }

  @AndroidIncompatible // .class files aren't available
  public void testNulls() {
    new NullPointerTester()
        .setDefault(URL.class, classfile(ResourcesTest.class))
        .testAllPublicStaticMethods(Resources.class);
  }

  private static URL classfile(Class<?> c) {
    return c.getResource(c.getSimpleName() + ".class");
  }

                }
            }
            return null
        }
    }

    private static byte[] byteCodeFrom(CtClass ctClass) {
        def bos = new ByteArrayOutputStream()
        ctClass.classFile2.write(new DataOutputStream(bos))
        return bos.toByteArray()
    }