public CreateVerifiedAccessEndpointLoadBalancerOptions withProtocol(String protocol) {
        setProtocol(protocol);
        return this;
    }
<p>
The IP protocol.
</p>

@param protocol
       The IP protocol.
@return Returns a reference to this object so that method calls can be chained together.
@see VerifiedAccessEndpointProtocol
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/CreateVerifiedAccessEndpointLoadBalancerOptions.java