assertArgumentNotNull("method", method);

        final Type[] parameterTypes = method.getGenericParameterTypes();
        return GenericsUtil.getRawClass(GenericsUtil.getElementTypeOfCollection(parameterTypes[position]));
    }

    /**
     * Returns the element type of the parameterized collection declared as the method's return type.
     *

      Constructor<Prepender> constructor = Prepender.class.getDeclaredConstructor(parameterTypes);
      return Invokable.from(constructor);
    }

    static Invokable<Prepender, Object> method(String name, Class<?>... parameterTypes) {
      try {
        Method method = Prepender.class.getDeclaredMethod(name, parameterTypes);

        final Type[] parameterTypes = getGenericParameters(type);
        if (parameterTypes == null) {
            return desc;
        }
        final ParameterizedClassDesc[] parameterDescs = new ParameterizedClassDesc[parameterTypes.length];
        for (int i = 0; i < parameterTypes.length; ++i) {
            parameterDescs[i] = createParameterizedClassDesc(parameterTypes[i], map);
        }

    METHODS:
    for (Method method : lockLikeObject.getClass().getMethods()) {
      Class<?>[] parameterTypes = method.getParameterTypes();
      if (method.getName().equals(methodName) && (parameterTypes.length == arguments.length)) {
        for (int i = 0; i < arguments.length; i++) {
          if (!parameterTypes[i].isAssignableFrom(arguments[i].getClass())) {
            continue METHODS;
          }
        }

    private final String name;
    private final ImmutableList<Class<?>> parameterTypes;

    Signature(Method method) {
      this(method.getName(), ImmutableList.copyOf(method.getParameterTypes()));
    }

    Signature(String name, ImmutableList<Class<?>> parameterTypes) {
      this.name = name;
      this.parameterTypes = parameterTypes;
    }

    @Override
    public boolean equals(@Nullable Object obj) {

    private final String name;
    private final ImmutableList<Class<?>> parameterTypes;

    Signature(Method method) {
      this(method.getName(), ImmutableList.copyOf(method.getParameterTypes()));
    }

    Signature(String name, ImmutableList<Class<?>> parameterTypes) {
      this.name = name;
      this.parameterTypes = parameterTypes;
    }

    @Override
    public boolean equals(@Nullable Object obj) {

      }
    }
  }

  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;
  }

  private static final ImmutableSet<String> NOT_WORKING_ON_MOCKS =

      }
    }
  }

  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;
  }

  private static final ImmutableSet<String> NOT_WORKING_ON_MOCKS =

    METHODS:
    for (Method method : lockLikeObject.getClass().getMethods()) {
      Class<?>[] parameterTypes = method.getParameterTypes();
      if (method.getName().equals(methodName) && (parameterTypes.length == arguments.length)) {
        for (int i = 0; i < arguments.length; i++) {
          if (!parameterTypes[i].isAssignableFrom(arguments[i].getClass())) {
            continue METHODS;
          }
        }

  @J2ktIncompatible
  @GwtIncompatible // java.lang.reflect
  private static @Nullable Method getJlaMethod(String name, Class<?>... parameterTypes)
      throws ThreadDeath {
    try {
      return Class.forName(JAVA_LANG_ACCESS_CLASSNAME, false, null).getMethod(name, parameterTypes);
    } catch (ThreadDeath death) {
      throw death;
    } catch (Throwable t) {
      /*