createGeometryCollection method
Creates a GeometryCollection using the given Geometries; a null or empty array will create an empty GeometryCollection.
@param geometries an array of Geometries, each of which may be empty but not null, or null @return the created GeometryCollection
Implementation
GeometryCollection createGeometryCollection(List<Geometry>? geometries) {
return new GeometryCollection.withFactory(geometries, this);
}