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: link.yaml
    example:
      - href: http://data.example.com/buildings
        rel: item
      - href: http://example.com/concepts/buildings.html
        rel: describedby
        type: text/html
  linkTemplates:
    type: array
    items:
      $ref: linkTemplate.yaml
  extent:
    $ref: extent.yaml
  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