The feature that need its icon to be defined.
The style to use
OptionalfilterEquation: FilterNodeType[]Filter equation associated to the layer.
OptionallegendFilterIsOff: booleanWhen true, do not apply legend filter.
OptionaldomainsLookup: TypeLayerMetadataFields[]An optional lookup table to handle coded value domains.
OptionalaliasLookup: TypeAliasLookupAn optional lookup table to handle field name aliases.
The icon associated to the feature or a default empty one.
This method gets the image source from the style of the feature using the layer entry config.