JBoss EAP 7.3 with OpenJDK 11 Image streams and application templates are not available

Issue

• How do I import OpenShift Image steams and templates for JBoss EAP 7.3 with OpenJDK 11
• The import command in document 2.4. Import the Latest JBoss EAP for OpenShift Imagestreams and Templates fails as follows:

# for resource in \
  eap73-openjdk11-amq-persistent-s2i.json \
  eap73-openjdk11-amq-s2i.json \
  eap73-openjdk11-basic-s2i.json \
  eap73-openjdk11-https-s2i.json \
  eap73-openjdk11-image-stream.json \
  eap73-openjdk11-sso-s2i.json \
  eap73-openjdk11-starter-s2i.json \
  eap73-openjdk11-third-party-db-s2i.json \
  eap73-openjdk11-tx-recovery-s2i.json
do
  oc replace --force -f \
https://raw.githubusercontent.com/jboss-container-images/jboss-eap-openshift-templates/eap73//templates/${resource}
done
error: unable to read URL "https://raw.githubusercontent.com/jboss-container-images/jboss-eap-openshift-templates/eap73//templates/eap73-openjdk11-amq-persistent-s2i.json", server reported 404 Not Found, status code=404
...