public CreateDBProxyRequest withAuth(java.util.Collection<UserAuthConfig> auth) {
        setAuth(auth);
        return this;
    }
<p>
The authorization mechanism that the proxy uses.
</p>

@param auth
       The authorization mechanism that the proxy uses.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-rds/src/main/java/com/amazonaws/services/rds/model/CreateDBProxyRequest.java