[
  "sys",
  "ecm",
  "cloud-provider",
  {
    "/Common/aws-ec2" => {
      "description"       => "The aws-ec2 parameters",
      "property-template" => {
                               "account" => {},
                               "availability-zone" => { "valid-values" => ["a" .. "d"] },
                               "instance-type" => { "valid-values" => ["t2.micro", "t2.small", "t2.medium"] },
                               "region" => { "valid-values" => ["us-east-1", "us-west-1"] },
                             },
    },
  },
]