https://lucene.apache.org/lucene-parent/lucene-spatial3d: Lucene Spatial shapes implemented using 3D planar geometry (The Apache Software Foundation) 
public interface org.apache.lucene.spatial3d.geom.PlanetObject extends org.apache.lucene.spatial3d.geom.SerializableObject
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.apache.lucene.spatial3d.geom.PlanetObject
  super_class: java.lang.Object
{
  public abstract org.apache.lucene.spatial3d.geom.PlanetModel getPlanetModel();
    descriptor: ()Lorg/apache/lucene/spatial3d/geom/PlanetModel;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
}
SourceFile: "PlanetObject.java"