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output "zookeeper_server_instance_id" {
  value = [for vm in aws_instance.zookeeper : vm.id]
  description = "Instance IDs of zookeeper instances"
}
output "zookeeper_server_instance_private_ip" {
  value = [for vm in aws_instance.zookeeper : vm.private_ip]
  description = "Private IPs of zookeeper instances"
}
output "zookeeper_server_instance_public_dns" {
  value = [for vm in aws_instance.zookeeper : vm.public_dns]
  description = "Public domain names of zookeeper instances"
}
output "zookeeper_server_instance_public_ip" {
  value = [for vm in aws_instance.zookeeper : vm.public_ip]
  description = "Public IPs of zookeeper instances"
}