http://lucene.apache.org/lucene-parent/lucene-spatial-extras: Advanced Spatial Shape Strategies for Apache Lucene (The Apache Software Foundation) 
public class org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator extends org.apache.lucene.spatial.prefix.tree.CellIterator
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator
  super_class: org.apache.lucene.spatial.prefix.tree.CellIterator
{
  private org.locationtech.spatial4j.shape.Shape shape;
    descriptor: Lorg/locationtech/spatial4j/shape/Shape;
    flags: (0x0002) ACC_PRIVATE

  private org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PackedQuadCell thisCell;
    descriptor: Lorg/apache/lucene/spatial/prefix/tree/PackedQuadPrefixTree$PackedQuadCell;
    flags: (0x0002) ACC_PRIVATE

  private org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PackedQuadCell nextCell;
    descriptor: Lorg/apache/lucene/spatial/prefix/tree/PackedQuadPrefixTree$PackedQuadCell;
    flags: (0x0002) ACC_PRIVATE

  private short level;
    descriptor: S
    flags: (0x0002) ACC_PRIVATE

  private final short detailLevel;
    descriptor: S
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private org.apache.lucene.spatial.prefix.tree.CellIterator pruneIter;
    descriptor: Lorg/apache/lucene/spatial/prefix/tree/CellIterator;
    flags: (0x0002) ACC_PRIVATE

  final org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree this$0;
    descriptor: Lorg/apache/lucene/spatial/prefix/tree/PackedQuadPrefixTree;
    flags: (0x1010) ACC_FINAL, ACC_SYNTHETIC

  void <init>(org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree, org.locationtech.spatial4j.shape.Shape, short);
    descriptor: (Lorg/apache/lucene/spatial/prefix/tree/PackedQuadPrefixTree;Lorg/locationtech/spatial4j/shape/Shape;S)V
    flags: (0x0000) 
    Code:
      stack=3, locals=4, args_size=4
        start local 0 // org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator this
        start local 2 // org.locationtech.spatial4j.shape.Shape shape
        start local 3 // short detailLevel
         0: .line 394
            aload 0 /* this */
            aload 1
            putfield org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator.this$0:Lorg/apache/lucene/spatial/prefix/tree/PackedQuadPrefixTree;
            aload 0 /* this */
            invokespecial org.apache.lucene.spatial.prefix.tree.CellIterator.<init>:()V
         1: .line 395
            aload 0 /* this */
            aload 2 /* shape */
            putfield org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator.shape:Lorg/locationtech/spatial4j/shape/Shape;
         2: .line 396
            aload 0 /* this */
            aload 1
            invokevirtual org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree.getWorldCell:()Lorg/apache/lucene/spatial/prefix/tree/Cell;
            checkcast org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PackedQuadCell
            iconst_1
            invokevirtual org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PackedQuadCell.nextCell:(Z)Lorg/apache/lucene/spatial/prefix/tree/PackedQuadPrefixTree$PackedQuadCell;
            putfield org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator.thisCell:Lorg/apache/lucene/spatial/prefix/tree/PackedQuadPrefixTree$PackedQuadCell;
         3: .line 397
            aload 0 /* this */
            iload 3 /* detailLevel */
            putfield org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator.detailLevel:S
         4: .line 398
            aload 0 /* this */
            aconst_null
            putfield org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator.nextCell:Lorg/apache/lucene/spatial/prefix/tree/PackedQuadPrefixTree$PackedQuadCell;
         5: .line 399
            return
        end local 3 // short detailLevel
        end local 2 // org.locationtech.spatial4j.shape.Shape shape
        end local 0 // org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    6     0         this  Lorg/apache/lucene/spatial/prefix/tree/PackedQuadPrefixTree$PrefixTreeIterator;
            0    6     2        shape  Lorg/locationtech/spatial4j/shape/Shape;
            0    6     3  detailLevel  S
    MethodParameters:
             Name  Flags
      this$0       final
      shape        
      detailLevel  

  public boolean hasNext();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=1
        start local 0 // org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator this
         0: .line 403
            aload 0 /* this */
            getfield org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator.nextCell:Lorg/apache/lucene/spatial/prefix/tree/PackedQuadPrefixTree$PackedQuadCell;
            ifnull 23
         1: .line 404
            iconst_1
            ireturn
         2: .line 409
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator.thisCell:Lorg/apache/lucene/spatial/prefix/tree/PackedQuadPrefixTree$PackedQuadCell;
            invokevirtual org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PackedQuadCell.getShape:()Lorg/locationtech/spatial4j/shape/Shape;
            aload 0 /* this */
            getfield org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator.shape:Lorg/locationtech/spatial4j/shape/Shape;
            invokeinterface org.locationtech.spatial4j.shape.Shape.relate:(Lorg/locationtech/spatial4j/shape/Shape;)Lorg/locationtech/spatial4j/shape/SpatialRelation;
            astore 1 /* rel */
        start local 1 // org.locationtech.spatial4j.shape.SpatialRelation rel
         3: .line 410
            aload 1 /* rel */
            getstatic org.locationtech.spatial4j.shape.SpatialRelation.DISJOINT:Lorg/locationtech/spatial4j/shape/SpatialRelation;
            if_acmpne 6
         4: .line 411
            aload 0 /* this */
            aload 0 /* this */
            getfield org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator.thisCell:Lorg/apache/lucene/spatial/prefix/tree/PackedQuadPrefixTree$PackedQuadCell;
            iconst_0
            invokevirtual org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PackedQuadCell.nextCell:(Z)Lorg/apache/lucene/spatial/prefix/tree/PackedQuadPrefixTree$PackedQuadCell;
            putfield org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator.thisCell:Lorg/apache/lucene/spatial/prefix/tree/PackedQuadPrefixTree$PackedQuadCell;
         5: .line 412
            goto 23
         6: .line 413
      StackMap locals: org.locationtech.spatial4j.shape.SpatialRelation
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator.thisCell:Lorg/apache/lucene/spatial/prefix/tree/PackedQuadPrefixTree$PackedQuadCell;
            aload 1 /* rel */
            invokevirtual org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PackedQuadCell.setShapeRel:(Lorg/locationtech/spatial4j/shape/SpatialRelation;)V
         7: .line 414
            aload 0 /* this */
            aload 0 /* this */
            getfield org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator.thisCell:Lorg/apache/lucene/spatial/prefix/tree/PackedQuadPrefixTree$PackedQuadCell;
            putfield org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator.nextCell:Lorg/apache/lucene/spatial/prefix/tree/PackedQuadPrefixTree$PackedQuadCell;
         8: .line 415
            aload 1 /* rel */
            getstatic org.locationtech.spatial4j.shape.SpatialRelation.WITHIN:Lorg/locationtech/spatial4j/shape/SpatialRelation;
            if_acmpne 12
         9: .line 416
            aload 0 /* this */
            getfield org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator.thisCell:Lorg/apache/lucene/spatial/prefix/tree/PackedQuadPrefixTree$PackedQuadCell;
            invokevirtual org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PackedQuadCell.setLeaf:()V
        10: .line 417
            aload 0 /* this */
            aload 0 /* this */
            getfield org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator.thisCell:Lorg/apache/lucene/spatial/prefix/tree/PackedQuadPrefixTree$PackedQuadCell;
            iconst_0
            invokevirtual org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PackedQuadCell.nextCell:(Z)Lorg/apache/lucene/spatial/prefix/tree/PackedQuadPrefixTree$PackedQuadCell;
            putfield org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator.thisCell:Lorg/apache/lucene/spatial/prefix/tree/PackedQuadPrefixTree$PackedQuadCell;
        11: .line 418
            goto 24
        12: .line 419
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 0 /* this */
            getfield org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator.thisCell:Lorg/apache/lucene/spatial/prefix/tree/PackedQuadPrefixTree$PackedQuadCell;
            invokevirtual org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PackedQuadCell.getLevel:()I
            i2s
            putfield org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator.level:S
        13: .line 420
            aload 0 /* this */
            getfield org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator.level:S
            aload 0 /* this */
            getfield org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator.detailLevel:S
            if_icmpeq 14
            aload 0 /* this */
            aload 1 /* rel */
            invokevirtual org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator.pruned:(Lorg/locationtech/spatial4j/shape/SpatialRelation;)Z
            ifeq 21
        14: .line 421
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator.thisCell:Lorg/apache/lucene/spatial/prefix/tree/PackedQuadPrefixTree$PackedQuadCell;
            invokevirtual org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PackedQuadCell.setLeaf:()V
        15: .line 422
            aload 0 /* this */
            getfield org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator.shape:Lorg/locationtech/spatial4j/shape/Shape;
            instanceof org.locationtech.spatial4j.shape.Point
            ifeq 19
        16: .line 423
            aload 0 /* this */
            getfield org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator.thisCell:Lorg/apache/lucene/spatial/prefix/tree/PackedQuadPrefixTree$PackedQuadCell;
            getstatic org.locationtech.spatial4j.shape.SpatialRelation.WITHIN:Lorg/locationtech/spatial4j/shape/SpatialRelation;
            invokevirtual org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PackedQuadCell.setShapeRel:(Lorg/locationtech/spatial4j/shape/SpatialRelation;)V
        17: .line 424
            aload 0 /* this */
            aconst_null
            putfield org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator.thisCell:Lorg/apache/lucene/spatial/prefix/tree/PackedQuadPrefixTree$PackedQuadCell;
        18: .line 425
            goto 24
        19: .line 426
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 0 /* this */
            getfield org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator.thisCell:Lorg/apache/lucene/spatial/prefix/tree/PackedQuadPrefixTree$PackedQuadCell;
            iconst_0
            invokevirtual org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PackedQuadCell.nextCell:(Z)Lorg/apache/lucene/spatial/prefix/tree/PackedQuadPrefixTree$PackedQuadCell;
            putfield org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator.thisCell:Lorg/apache/lucene/spatial/prefix/tree/PackedQuadPrefixTree$PackedQuadCell;
        20: .line 428
            goto 24
        21: .line 430
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            aload 0 /* this */
            getfield org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator.thisCell:Lorg/apache/lucene/spatial/prefix/tree/PackedQuadPrefixTree$PackedQuadCell;
            iconst_1
            invokevirtual org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PackedQuadCell.nextCell:(Z)Lorg/apache/lucene/spatial/prefix/tree/PackedQuadPrefixTree$PackedQuadCell;
            putfield org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator.thisCell:Lorg/apache/lucene/spatial/prefix/tree/PackedQuadPrefixTree$PackedQuadCell;
        22: .line 432
            goto 24
        end local 1 // org.locationtech.spatial4j.shape.SpatialRelation rel
        23: .line 408
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator.thisCell:Lorg/apache/lucene/spatial/prefix/tree/PackedQuadPrefixTree$PackedQuadCell;
            ifnonnull 2
        24: .line 435
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator.nextCell:Lorg/apache/lucene/spatial/prefix/tree/PackedQuadPrefixTree$PackedQuadCell;
            ifnull 25
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
        25: iconst_0
            ireturn
        end local 0 // org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   26     0  this  Lorg/apache/lucene/spatial/prefix/tree/PackedQuadPrefixTree$PrefixTreeIterator;
            3   23     1   rel  Lorg/locationtech/spatial4j/shape/SpatialRelation;

  private boolean pruned(org.locationtech.spatial4j.shape.SpatialRelation);
    descriptor: (Lorg/locationtech/spatial4j/shape/SpatialRelation;)Z
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=3, locals=3, args_size=2
        start local 0 // org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator this
        start local 1 // org.locationtech.spatial4j.shape.SpatialRelation rel
         0: .line 440
            aload 1 /* rel */
            getstatic org.locationtech.spatial4j.shape.SpatialRelation.INTERSECTS:Lorg/locationtech/spatial4j/shape/SpatialRelation;
            if_acmpne 7
            aload 0 /* this */
            getfield org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator.this$0:Lorg/apache/lucene/spatial/prefix/tree/PackedQuadPrefixTree;
            getfield org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree.leafyPrune:Z
            ifeq 7
            aload 0 /* this */
            getfield org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator.level:S
            aload 0 /* this */
            getfield org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator.detailLevel:S
            iconst_1
            isub
            if_icmpne 7
         1: .line 441
            iconst_0
            istore 2 /* leaves */
        start local 2 // int leaves
         2: aload 0 /* this */
            aload 0 /* this */
            getfield org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator.thisCell:Lorg/apache/lucene/spatial/prefix/tree/PackedQuadPrefixTree$PackedQuadCell;
            aload 0 /* this */
            getfield org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator.shape:Lorg/locationtech/spatial4j/shape/Shape;
            invokevirtual org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PackedQuadCell.getNextLevelCells:(Lorg/locationtech/spatial4j/shape/Shape;)Lorg/apache/lucene/spatial/prefix/tree/CellIterator;
            putfield org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator.pruneIter:Lorg/apache/lucene/spatial/prefix/tree/CellIterator;
            goto 4
      StackMap locals: int
      StackMap stack:
         3: aload 0 /* this */
            getfield org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator.pruneIter:Lorg/apache/lucene/spatial/prefix/tree/CellIterator;
            invokevirtual org.apache.lucene.spatial.prefix.tree.CellIterator.next:()Lorg/apache/lucene/spatial/prefix/tree/Cell;
            pop
            iinc 2 /* leaves */ 1
      StackMap locals:
      StackMap stack:
         4: aload 0 /* this */
            getfield org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator.pruneIter:Lorg/apache/lucene/spatial/prefix/tree/CellIterator;
            invokevirtual org.apache.lucene.spatial.prefix.tree.CellIterator.hasNext:()Z
            ifne 3
         5: .line 442
            iload 2 /* leaves */
            iconst_4
            if_icmpne 6
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         6: iconst_0
            ireturn
        end local 2 // int leaves
         7: .line 444
      StackMap locals:
      StackMap stack:
            iconst_0
            ireturn
        end local 1 // org.locationtech.spatial4j.shape.SpatialRelation rel
        end local 0 // org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    8     0    this  Lorg/apache/lucene/spatial/prefix/tree/PackedQuadPrefixTree$PrefixTreeIterator;
            0    8     1     rel  Lorg/locationtech/spatial4j/shape/SpatialRelation;
            2    7     2  leaves  I
    MethodParameters:
      Name  Flags
      rel   

  public org.apache.lucene.spatial.prefix.tree.Cell next();
    descriptor: ()Lorg/apache/lucene/spatial/prefix/tree/Cell;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=1
        start local 0 // org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator this
         0: .line 449
            aload 0 /* this */
            getfield org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator.nextCell:Lorg/apache/lucene/spatial/prefix/tree/PackedQuadPrefixTree$PackedQuadCell;
            ifnonnull 3
         1: .line 450
            aload 0 /* this */
            invokevirtual org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator.hasNext:()Z
            ifne 3
         2: .line 451
            new java.util.NoSuchElementException
            dup
            invokespecial java.util.NoSuchElementException.<init>:()V
            athrow
         3: .line 455
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator.nextCell:Lorg/apache/lucene/spatial/prefix/tree/PackedQuadPrefixTree$PackedQuadCell;
            astore 1 /* temp */
        start local 1 // org.apache.lucene.spatial.prefix.tree.Cell temp
         4: .line 456
            aload 0 /* this */
            aconst_null
            putfield org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator.nextCell:Lorg/apache/lucene/spatial/prefix/tree/PackedQuadPrefixTree$PackedQuadCell;
         5: .line 457
            aload 1 /* temp */
            areturn
        end local 1 // org.apache.lucene.spatial.prefix.tree.Cell temp
        end local 0 // org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0  this  Lorg/apache/lucene/spatial/prefix/tree/PackedQuadPrefixTree$PrefixTreeIterator;
            4    6     1  temp  Lorg/apache/lucene/spatial/prefix/tree/Cell;

  public void remove();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=0, locals=1, args_size=1
        start local 0 // org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator this
         0: .line 463
            return
        end local 0 // org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/lucene/spatial/prefix/tree/PackedQuadPrefixTree$PrefixTreeIterator;
}
SourceFile: "PackedQuadPrefixTree.java"
NestHost: org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree
InnerClasses:
  protected PackedQuadCell = org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PackedQuadCell of org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree
  protected PrefixTreeIterator = org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree$PrefixTreeIterator of org.apache.lucene.spatial.prefix.tree.PackedQuadPrefixTree