Ec2 Auto Scaling Desired Configuration Structure

{
  "$schema": "https://json-structure.org/meta/core/v0/#",
  "$id": "https://raw.githubusercontent.com/api-evangelist/amazon-ec2-auto-scaling/refs/heads/main/json-structure/ec2-auto-scaling-desired-configuration-structure.json",
  "name": "DesiredConfiguration",
  "description": "<p>Describes the desired configuration for an instance refresh. </p> <p>If you specify a desired configuration, you must specify either a <code>LaunchTemplate</code> or a <code>MixedInstancesPolicy</code>. </p>",
  "type": "object",
  "properties": {
    "LaunchTemplate": {
      "allOf": [
        {
          "$ref": "#/components/schemas/LaunchTemplateSpecification"
        },
        {
          "description": "Describes the launch template and the version of the launch template that Amazon EC2 Auto Scaling uses to launch Amazon EC2 instances. For more information about launch templates, see <a href=\"https://docs.aws.amazon.com/autoscaling/ec2/userguide/LaunchTemplates.html\">Launch templates</a> in the <i>Amazon EC2 Auto Scaling User Guide</i>."
        }
      ]
    },
    "MixedInstancesPolicy": {
      "allOf": [
        {
          "$ref": "#/components/schemas/MixedInstancesPolicy"
        },
        {
          "description": "<p>Use this structure to launch multiple instance types and On-Demand Instances and Spot Instances within a single Auto Scaling group.</p> <p>A mixed instances policy contains information that Amazon EC2 Auto Scaling can use to launch instances and help optimize your costs. For more information, see <a href=\"https://docs.aws.amazon.com/autoscaling/ec2/userguide/ec2-auto-scaling-mixed-instances-groups.html\">Auto Scaling groups with multiple instance types and purchase options</a> in the <i>Amazon EC2 Auto Scaling User Guide</i>.</p>"
        }
      ]
    }
  }
}