Object[] params1 = new Object[method.getParameterTypes().length];
        Object[] params2 = new Object[method.getParameterTypes().length];
        for (int i = 0; i < params1.length; i++) {
          if (method.getParameterTypes()[i] == int.class) {
            params1[i] = random.nextInt();
            params2[i] = random.nextInt();
          } else if (method.getParameterTypes()[i] == long.class) {

      if (method.getName().equals("equals")
          && method.getParameterTypes().length == 1
          && method.getParameterTypes()[0] == Object.class) {
        continue;
      }
      if (method.getName().equals("hashCode") && method.getParameterTypes().length == 0) {
        continue;
      }
      if (method.getName().equals("toString") && method.getParameterTypes().length == 0) {
        continue;
      }

      if (method.getName().equals("equals")
          && method.getParameterTypes().length == 1
          && method.getParameterTypes()[0] == Object.class) {
        continue;
      }
      if (method.getName().equals("hashCode") && method.getParameterTypes().length == 0) {
        continue;
      }
      if (method.getName().equals("toString") && method.getParameterTypes().length == 0) {
        continue;
      }

   *
   * @param instance the instance to invoke {@code method} on, or null if {@code method} is static
   */
  public void testMethod(@Nullable Object instance, Method method) {
    Class<?>[] types = method.getParameterTypes();
    for (int nullIndex = 0; nullIndex < types.length; nullIndex++) {
      testMethodParameter(instance, method, nullIndex);
    }
  }

  /**

              .transformAndConcat(c -> asList(c.getDeclaredMethods()))
              .firstMatch(
                  m ->
                      m.getName().equals("writeReplace")
                          && m.getParameterTypes().length == 0
                          // Only package-private methods are a problem.
                          && (m.getModifiers() & (PUBLIC | PROTECTED | PRIVATE)) == 0)

              .transformAndConcat(c -> asList(c.getDeclaredMethods()))
              .firstMatch(
                  m ->
                      m.getName().equals("writeReplace")
                          && m.getParameterTypes().length == 0
                          // Only package-private methods are a problem.
                          && (m.getModifiers() & (PUBLIC | PROTECTED | PRIVATE)) == 0)

    final List<Class<?>> parameterTypes;
    final TypeSignature typeSignature;

    MethodSignature(Method method) {
      name = method.getName();
      parameterTypes = Arrays.asList(method.getParameterTypes());
      typeSignature = new TypeSignature(method.getTypeParameters());
    }

    @Override
    public boolean equals(@Nullable Object obj) {
      if (obj instanceof MethodSignature) {

    final List<Class<?>> parameterTypes;
    final TypeSignature typeSignature;

    MethodSignature(Method method) {
      name = method.getName();
      parameterTypes = Arrays.asList(method.getParameterTypes());
      typeSignature = new TypeSignature(method.getTypeParameters());
    }

    @Override
    public boolean equals(@Nullable Object obj) {
      if (obj instanceof MethodSignature) {

        Object[] params1 = new Object[method.getParameterTypes().length];
        Object[] params2 = new Object[method.getParameterTypes().length];
        for (int i = 0; i < params1.length; i++) {
          if (method.getParameterTypes()[i] == int.class) {
            params1[i] = random.nextInt();
            params2[i] = random.nextInt();
          } else if (method.getParameterTypes()[i] == long.class) {

        method.invoke(mock, arbitraryParameters(method));
      }
    }
  }

  private static Object[] arbitraryParameters(Method method) {
    Class<?>[] parameterTypes = method.getParameterTypes();
    Object[] params = new Object[parameterTypes.length];
    for (int i = 0; i < parameterTypes.length; i++) {
      params[i] = PARAMETER_VALUES.get(parameterTypes[i]);
    }
    return params;
  }