json_schema: {
      "$schema": "http://json-schema.org/draft-04/schema#",
      "title": "Artifacts to be fetched from Koji builds",
      "type": [
          "array",
          "null"
      ],
      "items": {
          "type": "object",
          "description": "A specific Koji buid and archives to be fetched",
          "properties": {
              "nvr": {
                  "description": "The Name-Version-Release of a Koji build",
                  "type": "string"
              },
              "archives": {
                  "type": "array",
                  "items": {
                      "type": "object",
                      "description": "Matcher for archives in Koji build",
                      "properties": {
                          "filename": {
                              "description": "Match by archive filename - supports glob matching",
                              "type": "string"
                          },
                          "group_id": {
                              "description": "Match by archive group_id",
                              "type": "string"
                          }
                      },
                      "additionalProperties": false
                  }
              }
          },
          "additionalProperties": false,
          "required": [
              "nvr"
          ]
      }
  }