json_schema: {
      "id": "https://opendesk.cc/schemata/base/canonical.json",
      "$schema": "http://json-schema.org/draft-07/schema#",
      "title": "Winnow Canonical",
      "type": "object",
      "properties": {
          "source": {
              "type": "string"
          },
          "path": {
              "type": "string"
          },
          "aliases": {
              "type": "array",
              "items": {
                  "type": "string"
              }
          },
          "base": {
              "type": "string"
          },
          "version": {
              "type": "array",
              "items": {
                  "type": "number"
              },
              "maxItems": 3,
              "minItems": 3
          },
          "changes": {
              "type": "string"
          },
          "costs": {
              "type": "object",
              "patternProperties": {
                  "^[/][/.\\w-]{0,254}$": {
                      "type": "array",
                      "items": {
                          "type": "object",
                          "properties": {
                              "value": {
                                  "type": "number"
                              },
                              "currency": {
                                  "type": "string"
                              },
                              "is_taxable": {
                                  "type": "boolean"
                              },
                              "type": {
                                  "type": "string"
                              }
                          }
                      }
                  }
              }
          },
          "shortcode": {
              "type": "string"
          },
          "is_default": {
              "type": "boolean"
          },
          "is_public": {
              "type": "boolean"
          },
          "licenses": {
              "type": "array",
              "items": {
                  "type": "string"
              }
          }
      },
      "required": [
          "schema",
          "source",
          "path",
          "version",
          "changes"
      ]
  }