{
  "$comment": "Adapted from https://schemas.opengis.net/ogcapi/features/part1/1.0/openapi/schemas/collection.yaml",
  "type": "object",
  "required": [
    "id",
    "links"
  ],
  "properties": {
    "id": {
      "description": "identifier of the collection used, for example, in URIs",
      "type": "string",
      "example": "address"
    },
    "title": {
      "description": "human readable title of the collection",
      "type": "string",
      "example": "address"
    },
    "description": {
      "description": "a description of the features in the collection",
      "type": "string",
      "example": "An address."
    },
    "links": {
      "type": "array",
      "items": {
        "$ref": "https://opengeospatial.github.io/bblocks/annotated-schemas/ogc-utils/json-link/schema.json"
      },
      "example": [
        {
          "href": "http://data.example.com/buildings",
          "rel": "item"
        },
        {
          "href": "http://example.com/concepts/buildings.html",
          "rel": "describedby",
          "type": "text/html"
        }
      ],
      "x-jsonld-id": "http://www.w3.org/2000/01/rdf-schema#seeAlso"
    },
    "extent": {
      "$ref": "https://ogcincubator.github.io/bblocks-ogcapi-features/build/annotated/api/features/v1/schemas/extent/schema.json"
    },
    "itemType": {
      "description": "indicator about the type of the items in the collection (the default value is 'feature').",
      "type": "string",
      "default": "feature"
    },
    "crs": {
      "description": "the list of coordinate reference systems supported by the service",
      "type": "array",
      "items": {
        "type": "string"
      },
      "default": [
        "http://www.opengis.net/def/crs/OGC/1.3/CRS84"
      ],
      "example": [
        "http://www.opengis.net/def/crs/OGC/1.3/CRS84",
        "http://www.opengis.net/def/crs/EPSG/0/4326"
      ]
    }
  },
  "x-jsonld-prefixes": {
    "rdfs": "http://www.w3.org/2000/01/rdf-schema#"
  }
}