if (rawType.isInterface()) {
      // always create a new proxy
      return newProxy(rawType);
    }
    return ArbitraryInstances.get(rawType);
  }

  private <T> T newProxy(Class<T> interfaceType) {
    return Reflection.newProxy(interfaceType, new FreshInvocationHandler(interfaceType));
  }

  private Object invokeGeneratorMethod(Method generator, Object... args) {

import static com.google.common.collect.testing.google.MultisetRemoveTester.getRemoveDuplicateInitializingMethods;
import static com.google.common.reflect.Reflection.newProxy;

import com.google.common.annotations.GwtIncompatible;
import com.google.common.base.Ascii;
import com.google.common.base.Function;
import com.google.common.base.Predicates;
import com.google.common.base.Supplier;

import static com.google.common.collect.testing.google.MultisetRemoveTester.getRemoveDuplicateInitializingMethods;
import static com.google.common.reflect.Reflection.newProxy;

import com.google.common.annotations.GwtIncompatible;
import com.google.common.base.Ascii;
import com.google.common.base.Function;
import com.google.common.base.Predicates;
import com.google.common.base.Supplier;

      this.setUpRan = setUpRan;
    }

    @Override
    Map<String, String> wrap(HashMap<String, String> map) {
      @SuppressWarnings("unchecked")
      Map<String, String> proxy =
          Reflection.newProxy(Map.class, new CheckSetUpInvocationHandler(map, setUpRan));
      return proxy;
    }
  }

  /**
   * Intercepts calls to a {@code Map} to check that {@code setUpRan} is true when they happen. Then

      this.setUpRan = setUpRan;
    }

    @Override
    Map<String, String> wrap(HashMap<String, String> map) {
      @SuppressWarnings("unchecked")
      Map<String, String> proxy =
          Reflection.newProxy(Map.class, new CheckSetUpInvocationHandler(map, setUpRan));
      return proxy;
    }
  }

  /**
   * Intercepts calls to a {@code Map} to check that {@code setUpRan} is true when they happen. Then

    TypeVariableImpl<D> typeVariableImpl = new TypeVariableImpl<>(genericDeclaration, name, bounds);
    @SuppressWarnings("unchecked")
    TypeVariable<D> typeVariable =
        Reflection.newProxy(
            TypeVariable.class, new TypeVariableInvocationHandler(typeVariableImpl));
    return typeVariable;
  }

  /**
   * Invocation handler to work around a compatibility problem between Android and Java.

    TypeVariableImpl<D> typeVariableImpl = new TypeVariableImpl<>(genericDeclaration, name, bounds);
    @SuppressWarnings("unchecked")
    TypeVariable<D> typeVariable =
        Reflection.newProxy(
            TypeVariable.class, new TypeVariableInvocationHandler(typeVariableImpl));
    return typeVariable;
  }

  /**
   * Invocation handler to work around a compatibility problem between Android and Java.

    return new DummyProxy() {
      @Override
      <R> @Nullable R dummyReturnValue(TypeToken<R> returnType) {
        return getDefaultValue(returnType);
      }
    }.newProxy(type);
  }

  private static Invokable<?, ?> invokable(@Nullable Object instance, Method method) {
    if (instance == null) {
      return Invokable.from(method);
    } else {

    return new DummyProxy() {
      @Override
      <R> @Nullable R dummyReturnValue(TypeToken<R> returnType) {
        return getDefaultValue(returnType);
      }
    }.newProxy(type);
  }

  private static Invokable<?, ?> invokable(@Nullable Object instance, Method method) {
    if (instance == null) {
      return Invokable.from(method);
    } else {

    T value = (T) ArbitraryInstances.get(rawType);
    if (value != null) {
      return value;
    }
    if (rawType.isInterface()) {
      return new SerializableDummyProxy(this).newProxy(type);
    }
    return null;
  }

  private static <T> T createInstance(Invokable<?, ? extends T> factory, List<?> args)