message: Add remark about abstract static getter in PlaceableObject
diff: @@ -63,6 +63,7 @@ declare abstract class PlaceableObject<D = {}> extends PIXI.Container {
  /**
  * Identify the official EmbeddedEntity name for this PlaceableObject class
  + * @remarks This getter is abstract in {@link PlaceableObject}.
  */
  static get embeddedName (): never
  