ALBProxyProtocolVersion (type)

{
  "description": "Valid ENUM values for ALBProxyProtocolVersion", 
  "enum": [
    "PROXY_PROTOCOL_VERSION_1", 
    "PROXY_PROTOCOL_VERSION_2"
  ], 
  "id": "ALBProxyProtocolVersion", 
  "module_id": "PolicyAdvancedLoadBalancer", 
  "title": "ProxyProtocolVersion type", 
  "type": "string"
}