openPopup

open fun openPopup(popup: Popup): LeafletMap
open fun openPopup(content: String, latlng: LatLng, options: Popup.PopupOptions = definedExternally): LeafletMap
open fun openPopup(content: <Error class: unknown class>, latlng: LatLng, options: Popup.PopupOptions = definedExternally): LeafletMap