haproxy mixed mode ssl termination passthrough

gistfile1.txt

global
   log 127.0.0.1 local0 debug
   chroot /var/lib/haproxy
   stats socket /var/lib/haproxy/admin.sock level admin
   pidfile /var/lib/haproxy/pid
   stats timeout 30s
   daemon
   tune.ssl.default-dh-param 2048
   ssl-server-verify none
   crt-base /etc/ssl/certs/

defaults
   log global
   option tcplog
   option http-server-close
   timeout connect 5000
   timeout client 50000
   timeout server 50000

frontend stats 
   bind *:9999
   mode http
   stats enable
   stats refresh 30s
   stats show-node
   stats auth admin:admin
   stats show-desc Super Awesome Stats Page! YAY!   
   stats uri /haproxy?stats

frontend http_front
   bind *:80
   default_backend http_back
   mode http
	# Placeholder with funny page. Do we need to redirect to pt 443?

frontend https_Main
   bind *:443
   mode tcp
   mode tcp
   tcp-request inspect-delay 5s
   tcp-request content accept if { req_ssl_hello_type 1 }
   use_backend %[req.ssl_sni,lower,map_dom(/etc/haproxy/sni2backend.map,nonSNIhttps_back)]
	# Check the mapping for sni headers. If SNI info not fount, go to nonSNIhttps_back->nonSNIhttps_front

frontend nonSNIhttps_front
   bind 127.0.0.1:9443 ssl crt test01.pem crt test02.pem 
   mode http
   option forwardfor
   use_backend %[req.hdr(host),lower,map_dom(/etc/haproxy/domain2backend.map,http_back)]
	# This is the fallback to look for certs. If the domain is not found in the main FrontEnd, look here

backend nonSNIhttps_back
   mode tcp
   server nonSNIhttps_front 127.0.0.1:9443 check check-ssl  

backend http_back
   mode http
   server localhost 127.0.0.1:9998 check

backend test01
   mode http
   server test01 172.20.0.141:80 check

backend test02
   mode http
   server test02 172.20.0.142:80 check

backend dev42
   mode tcp 
   server dev42 172.20.0.42:443 check

Could you please provid samples of /etc/haproxy/domain2backend.map and /etc/haproxy/sni2backend.map