public void setUserDetails(UserDetails userDetails) {
        this.userDetails = userDetails;
    }
<p>
The Server ID (<code>ServerId</code>), Session ID (<code>SessionId</code>) and user (<code>UserName</code>) make
up the <code>UserDetails</code>.
</p>

@param userDetails
       The Server ID (<code>ServerId</code>), Session ID (<code>SessionId</code>) and user (<code>UserName</code>
       ) make up the <code>UserDetails</code>.
aws-java-sdk-transfer/src/main/java/com/amazonaws/services/transfer/model/ServiceMetadata.java