Defines the configuration elements for Spring Web Services. Indicates that a unmarshaller should be used to convert incoming request messages into method parameters, and return values marshalled into a response message. The bean name of the Unmarshaller that is to be used to convert XML into objects. This attribute is not required, and only needs to be specified explicitly if the bean name of the desired Unmarshaller is not 'marshaller'. The bean name of the Marshaller that is to be used to convert objects into XML. This attribute is not required, and only needs to be specified explicitly if the bean name of the desired Marshaller is not 'marshaller'. Indicates that a endpoints using @XPathParam annotations should be detected. Bind a namespace URI to a prefix