List the available map layers (public/private/both) in HTML format. To see only the layers of a given map region, like Postal Code Boundaries or WEU, then specify it as map 'region'get https://smap.hereapi.com/v8/maps/layers/list.htmlQuery ParamsmapNamestringmap name. Optional for public HERE maps and for private BYOD maps. If not specified, the layers of all maps are retrievedlayerTypestringOption to filter layers to be listed based on whether they are public, private or both, default value 0: both private and public layers, 1: only public layers, 2: only private layersapiKeystringA key generated specifically to authenticate API requests. For more information on how to get an API key, see https://developer.here.com/documentation/identity-access-management/dev_guide/index.html . Other authentication options are Bearer token, see https://developer.here.com/documentation/identity-access-management/dev_guide/index.html or app_id with app_code for backward compatibility.Response 200OKUpdated last month