{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "urn:ausca:offer:document-analysis:input:v1",
  "type": "object",
  "additionalProperties": false,
  "required": ["artifact", "feature_types"],
  "properties": {
    "artifact": {
      "allOf": [
        {"$ref": "urn:ausca:schema:artifact-commitment:v1"},
        {
          "properties": {
            "media_type": {
              "enum": ["application/pdf", "image/jpeg", "image/png", "image/tiff"]
            }
          }
        }
      ]
    },
    "feature_types": {
      "type": "array",
      "minItems": 1,
      "maxItems": 4,
      "uniqueItems": true,
      "items": {
        "type": "string",
        "enum": ["FORMS", "TABLES", "SIGNATURES", "LAYOUT"]
      }
    }
  }
}