The quick replies response.

Generated from protobuf field <code>.google.cloud.dialogflow.v2.Intent.Message.QuickReplies quick_replies = 3;</code>
@param \Google\Cloud\Dialogflow\V2\Intent\Message\QuickReplies $var
@return $this
169586
public function setQuickReplies($var)
    {
        GPBUtil::checkMessage($var, \Google\Cloud\Dialogflow\V2\Intent_Message_QuickReplies::class);
        $this->writeOneof(3, $var);

        return $this;
    }
902137
public function setMethod($var)
    {
        $arr = GPBUtil::checkRepeatedField($var, \Google\Protobuf\Internal\GPBType::MESSAGE, \Google\Protobuf\Internal\MethodDescriptorProto::class);
        $this->method = $arr;
        $this->has_method = true;

        return $this;
    }
73306
public function setModelVariant($var)
    {
        GPBUtil::checkEnum($var, \Google\Cloud\Dialogflow\V2\SpeechModelVariant::class);
        $this->model_variant = $var;

        return $this;
    }
866116
public function setPartOfSpeech($var)
    {
        GPBUtil::checkMessage($var, \Google\Cloud\Language\V1\PartOfSpeech::class);
        $this->part_of_speech = $var;

        return $this;
    }
189151
public function setHeaders($var)
    {
        $arr = GPBUtil::checkRepeatedField($var, \Google\Protobuf\Internal\GPBType::MESSAGE, \Google\Cloud\Dlp\V2\FieldId::class);
        $this->headers = $arr;

        return $this;
    }
1256716
public function setPages($var)
    {
        $arr = GPBUtil::checkRepeatedField($var, \Google\Protobuf\Internal\GPBType::MESSAGE, \Google\Cloud\Vision\V1\Page::class);
        $this->pages = $arr;

        return $this;
    }
833306
public function setResults($var)
    {
        $arr = GPBUtil::checkRepeatedField($var, \Google\Protobuf\Internal\GPBType::MESSAGE, \Google\Cloud\Dlp\V2\TransformationSummary_SummaryResult::class);
        $this->results = $arr;

        return $this;
    }
51870
public function setSpeechEventType($var)
    {
        GPBUtil::checkEnum($var, \Google\Cloud\Speech\V1\StreamingRecognizeResponse_SpeechEventType::class);
        $this->speech_event_type = $var;

        return $this;
    }
661818
public function setSessionEntityType($var)
    {
        GPBUtil::checkMessage($var, \Google\Cloud\Dialogflow\V2\SessionEntityType::class);
        $this->session_entity_type = $var;

        return $this;
    }
579773
public function setKMapEstimationResult($var)
    {
        GPBUtil::checkMessage($var, \Google\Cloud\Dlp\V2\AnalyzeDataSourceRiskDetails_KMapEstimationResult::class);
        $this->writeOneof(7, $var);

        return $this;
    }
325434
public function setHotwordRegex($var)
    {
        GPBUtil::checkMessage($var, \Google\Cloud\Dlp\V2\CustomInfoType_Regex::class);
        $this->hotword_regex = $var;

        return $this;
    }
1358823
public function setTopics($var)
    {
        $arr = GPBUtil::checkRepeatedField($var, \Google\Protobuf\Internal\GPBType::MESSAGE, \Google\Cloud\PubSub\V1\Topic::class);
        $this->topics = $arr;

        return $this;
    }
168521
public function setSubscriptions($var)
    {
        $arr = GPBUtil::checkRepeatedField($var, \Google\Protobuf\Internal\GPBType::MESSAGE, \Google\Cloud\PubSub\V1\Subscription::class);
        $this->subscriptions = $arr;

        return $this;
    }
534635
public function setContext($var)
    {
        GPBUtil::checkMessage($var, \Google\Cloud\Dialogflow\V2\Context::class);
        $this->context = $var;

        return $this;
    }
1366376
public function setQueryTextSentiment($var)
    {
        GPBUtil::checkMessage($var, \Google\Cloud\Dialogflow\V2\Sentiment::class);
        $this->query_text_sentiment = $var;

        return $this;
    }
717799
public function setQuickReplies(array $quickReplies): self
    {
        $this->isValidQuickReplies($quickReplies);

        $this->quickReplies = $quickReplies;

        return $this;
    }
631995
public function setInput($var)
    {
        GPBUtil::checkMessage($var, \Google\Cloud\TextToSpeech\V1\SynthesisInput::class);
        $this->input = $var;

        return $this;
    }