public InspectionDataResponse withProtocol(String protocol) {
        setProtocol(protocol);
        return this;
    }
<p>
The protocol used to return the HTTP response.
</p>

@param protocol
       The protocol used to return the HTTP response.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-stepfunctions/src/main/java/com/amazonaws/services/stepfunctions/model/InspectionDataResponse.java