set
@NonNull()
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Sets style layer properties. This method can be used to perform batch update for a style layer properties. The structure of a provided `properties` value must conform to a format for a corresponding [layer type](https://docs.mapbox.com/mapbox-gl-js/style-spec/layers/). Modification of a layer [id](https://docs.mapbox.com/mapbox-gl-js/style-spec/layers/#id) and/or a [layer type] (https://docs.mapbox.com/mapbox-gl-js/style-spec/layers/#type) is not allowed.
Return
string describing an error if the operation was not successful, empty otherwise.
Parameters
layerId
A style layer identifier.
properties
A map of style layer properties.