https://lucene.apache.org/lucene-parent/lucene-spatial-extras: Advanced Spatial Shape Strategies for Apache Lucene (The Apache Software Foundation) 
public interface org.apache.lucene.spatial.prefix.tree.S2ShapeFactory extends org.locationtech.spatial4j.shape.ShapeFactory
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.apache.lucene.spatial.prefix.tree.S2ShapeFactory
  super_class: java.lang.Object
{
  public abstract org.locationtech.spatial4j.shape.Shape getS2CellShape(com.google.common.geometry.S2CellId);
    descriptor: (Lcom/google/common/geometry/S2CellId;)Lorg/locationtech/spatial4j/shape/Shape;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
        Name  Flags
      cellId  
}
SourceFile: "S2ShapeFactory.java"