openlayers-8.x-4.x-dev/config/install/openlayers.source.ol_stamen.yml

id: ol_stamen
label: 'Stamen Watercolor'
source_type: stamen
options:
  layer: terrain
#  layer: watercolor
#  minZoom: 8
#  maxZoom: 10
#  attributions: 'Stamen - bbbbbbbbbbbbbbbb XXX'