The type dx:refTypeDefinitionListType provides a list of several elements refTypeDefinition of the type dx:refTypeDefinitionType.
The tree structure of the type dx:refTypeDefinitionListType has the following appearance:
<xs:complexType name="refTypeDefinitionListType">
<xs:sequence>
<xs:element name="refTypeDefinition" type="dx:refTypeDefinitionType" maxOccurs="unbounded"/>
</xs:sequence>
</xs:complexType>