grey_replaceText() as alternative to grey_typeText() about earlgrey HOT 4 CLOSED

func grey_replaceText(text: String) -> GREYAction {
    return GREYActionBlock.actionWithName("Replace text \"\(text)\"", constraints: grey_not(grey_systemAlertViewShown()),
                                            performBlock: { element, errorOrNil in
        (element as? UITextField)!.text = text
        return true
    })
}

    func grey_replaceText(text: String) -> GREYAction {
        return GREYActionBlock.actionWithName("Replace text \"\(text)\"", constraints: grey_not(grey_systemAlertViewShown()),
                                              performBlock: { element, errorOrNil in
                                                guard let textfield = element as? UITextField else {
                                                    let reasonAndDetails: String = "grey_replaceText failed. Element is not a UITextField"
                                                    let userInfo: [NSObject : AnyObject] = [NSLocalizedDescriptionKey: reasonAndDetails]

                                                    errorOrNil.memory = NSError(domain: kGREYInteractionErrorDomain,
                                                        code: GREYInteractionErrorCode.ActionFailedErrorCode.rawValue,
                                                        userInfo: userInfo)
                                                    return false
                                                }

                                                textfield.text = text
                                                return true
        })
    }