public UpdateServerRequest withServerId(String serverId) {
        setServerId(serverId);
        return this;
    }
<p>
A system-assigned unique identifier for a server instance that the Transfer Family user is assigned to.
</p>

@param serverId
       A system-assigned unique identifier for a server instance that the Transfer Family user is assigned to.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-transfer/src/main/java/com/amazonaws/services/transfer/model/UpdateServerRequest.java