content: {
    "$defs": {
      "CustomMapOuter": {
        "additionalProperties": false,
        "properties": {
          "my_map": {
            "$ref": "#/$defs/CustomMapType"
          }
        },
        "required": [
          "my_map"
        ],
        "type": "object"
      },
      "CustomMapType": {
        "items": {
          "properties": {
            "key": {
              "type": "string"
            },
            "value": {
              "type": "string"
            }
          },
          "required": [
            "key",
            "value"
          ],
          "type": "object"
        },
        "type": "array"
      }
    },
    "$id": "https://github.com/invopop/jsonschema/custom-map-outer",
    "$ref": "#/$defs/CustomMapOuter",
    "$schema": "https://json-schema.org/draft/2020-12/schema"
  }