OptionalbaseOptionalidA well known Basemap id, such as "streets-vector".
Cannot be combined with baseLayers or style.
OptionallayersUse baseLayers instead.
OptionalstyleBasemap style to use when constructing the new basemap.
Cannot be combined with id or baseLayers.
OptionaltitleOptional title for the new Basemap.
Contains properties for the construction of a new basemap.