https://www.openliberty.io/docs/modules/reference/24.0.0.12/com.ibm.websphere.appserver.spi.servlet_2.15-javadoc/com/ibm/wsspi/webcontainer/servlet/IExtendedRequest.html
IExtendedRequest
declaration: package: com.ibm.wsspi.webcontainer.servlet, interface: IExtendedRequest