private static TempFileCreator pickSecureCreator() {
    try {
      Class.forName("java.nio.file.Path");
      return new JavaNioCreator();
    } catch (ClassNotFoundException runningUnderAndroid) {
      // Try another way.
    }

    try {
      int version = (int) Class.forName("android.os.Build$VERSION").getField("SDK_INT").get(null);
      int jellyBean =

      @JvmStatic
      fun isAlpnBootEnabled(): Boolean =
        try {
          Class.forName("org.eclipse.jetty.alpn.ALPN", true, null)
          true
        } catch (cnfe: ClassNotFoundException) {
          false
        }

      val isCorrettoSupported: Boolean =
        try {
          // Trigger an early exception over a fatal error, prefer a RuntimeException over Error.

        }

        @Override
        public Class<?> fromComponentNameToClass(String componentName) {
            try {
                return Class.forName(componentName);
            } catch (ClassNotFoundException e) {
                return null;
            }
        }

        @Override
        public Class<?> toCompleteClass(Class<?> clazz) {
            return clazz;
        }

    public static Object bad(@SuppressWarnings("unused") String a) {
      return new BadNulls();
    }

    private BadNullsFactory() {}
  }

  @AndroidIncompatible // TODO(cpovirk): ClassNotFoundException... ClassSanityTesterTest$AnInterface
  public void testSerializableOnReturnValues_good() throws Exception {
    tester.forAllPublicStaticMethods(GoodSerializableFactory.class).testSerializable();
  }

          + ")";
    }

    @GwtIncompatible
    @J2ktIncompatible
        private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {
      in.defaultReadObject();
      lock = new Object();
    }

    @GwtIncompatible @J2ktIncompatible private static final long serialVersionUID = 0;
  }

          + ")";
    }

    @GwtIncompatible
    @J2ktIncompatible
        private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException {
      in.defaultReadObject();
      lock = new Object();
    }

    @GwtIncompatible @J2ktIncompatible private static final long serialVersionUID = 0;
  }

           *
           * Also, it's nice that this approach should let us catch *only* ClassNotFoundException
           * instead of having to catch more broadly (potentially even including, say, a
           * StackOverflowError).
           */
          Class.forName("java.lang.invoke.VarHandle");
        } catch (ClassNotFoundException beforeJava9) {
          return null;
        }
        return new VarHandleAtomicHelper();

      @Override
      @J2ObjCIncompatible
      @Nullable LittleEndianBytes tryMakeVarHandleLittleEndianBytes() {
        try {
          Class.forName("java.lang.invoke.VarHandle");
        } catch (ClassNotFoundException beforeJava9) {
          return null;
        }
        return VarHandleLittleEndianBytes.INSTANCE;
      }
    };

      return (result == null) ? inverseEntrySet = new InverseEntrySet<K, V>(forward) : result;
    }

    @GwtIncompatible("serialization")
    private void readObject(ObjectInputStream in) throws ClassNotFoundException, IOException {
      in.defaultReadObject();
      this.forward.inverse = this;
    }
  }

  private static final class InverseEntrySet<K extends @Nullable Object, V extends @Nullable Object>

        .forAllPublicStaticMethods(Suppliers.class)
        .testNulls();
  }

  @J2ktIncompatible
  @GwtIncompatible // reflection
  @AndroidIncompatible // TODO(cpovirk): ClassNotFoundException: com.google.common.base.Function
  public void testSuppliersSerializable() throws Exception {
    new ClassSanityTester()
        .setDefault(Duration.class, Duration.ofSeconds(1))