get-map-params

record get-map-params {
  version-number: string,
  request: get-map-request-enum,
  srs: get-map-srs-enum,
  bbox: string,
  width: s32,
  height: s32,
  format: get-map-format-enum,
  layers: get-map-layers-enum,
  styles: option​<get-map-styles-enum>,
  service: option​<get-map-service-enum>,
  version: get-map-version-enum,
}