RESTEasy-Spring is unable to set mediaTypeMappings in ResteasyDeployment by bean settings

    <!-- Import basic SpringMVC Resteasy integration -->
    <import resource="classpath:springmvc-resteasy.xml" />

    <!-- override the bean definition for deployment -->
    <bean id="resteasy.deployment" class="org.jboss.resteasy.spi.ResteasyDeployment" init-method="start" destroy-method="stop">
        <property name="mediaTypeMappings">
            <map>
                <entry key="json" value="application/json" />
                <entry key="xml" value="application/xml" />
            </map>
        </property>
    </bean>