export declare enum OverlayType { /** A pin on an exact coordinate over map. */ Marker = 0, /** A series of connected coordinates in an ordered sequence. Additionally, polygons form a closed loop and define a filled region. */ Polygon = 1, /** A linear overlay of connected line segments on the map. */ Polyline = 2, /** A circle on the Earth's surface; also known as a "spherical cap". */ Circle = 3, /** A rectangle overlay. */ Rectangle = 4, /** A rectangular image overlay on the map. */ Ground = 5, /** An overlay that looks like a bubble and is often connected to a marker. */ InfoWindow = 6, /** Data layer defining drawn features. Also allows loading features directly from a GeoJson. */ Data = 7, /** Directions layer rendered using the `GoogleMapsDirectionsDirective` after getting the results using the `GoogleMapsDirectionsService`. */ Directions = 8 }