type: object
required:
  - type
  - geometries
properties:
  type:
    type: string
    enum:
      - GeometryCollection
  geometries:
    type: array
    items:
      oneOf:
      - $ref: pointGeoJSON.yaml
      - $ref: multipointGeoJSON.yaml
      - $ref: linestringGeoJSON.yaml
      - $ref: multilinestringGeoJSON.yaml
      - $ref: polygonGeoJSON.yaml
      - $ref: multipolygonGeoJSON.yaml