http://xmlgraphics.apache.org/fop/: Apache FOP (Formatting Objects Processor) is the world's first print formatter driven by XSL formatting objects (XSL-FO) and the world's first output independent formatter. It is a Java application that reads a formatting object (FO) tree and renders the resulting pages to a specified output. Output formats currently supported include PDF, PCL, PS, AFP, TIFF, PNG, SVG, XML (area tree representation), Print, AWT and TXT. The primary output target is PDF. (Apache Software Foundation) 
public class org.apache.fop.layoutmgr.BlockStackingLayoutManager$MappingPosition extends org.apache.fop.layoutmgr.Position
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: org.apache.fop.layoutmgr.BlockStackingLayoutManager$MappingPosition
  super_class: org.apache.fop.layoutmgr.Position
{
  private int firstIndex;
    descriptor: I
    flags: (0x0002) ACC_PRIVATE

  private int lastIndex;
    descriptor: I
    flags: (0x0002) ACC_PRIVATE

  public void <init>(org.apache.fop.layoutmgr.LayoutManager, int, int);
    descriptor: (Lorg/apache/fop/layoutmgr/LayoutManager;II)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=4, args_size=4
        start local 0 // org.apache.fop.layoutmgr.BlockStackingLayoutManager$MappingPosition this
        start local 1 // org.apache.fop.layoutmgr.LayoutManager lm
        start local 2 // int first
        start local 3 // int last
         0: .line 1139
            aload 0 /* this */
            aload 1 /* lm */
            invokespecial org.apache.fop.layoutmgr.Position.<init>:(Lorg/apache/fop/layoutmgr/LayoutManager;)V
         1: .line 1140
            aload 0 /* this */
            iload 2 /* first */
            putfield org.apache.fop.layoutmgr.BlockStackingLayoutManager$MappingPosition.firstIndex:I
         2: .line 1141
            aload 0 /* this */
            iload 3 /* last */
            putfield org.apache.fop.layoutmgr.BlockStackingLayoutManager$MappingPosition.lastIndex:I
         3: .line 1142
            return
        end local 3 // int last
        end local 2 // int first
        end local 1 // org.apache.fop.layoutmgr.LayoutManager lm
        end local 0 // org.apache.fop.layoutmgr.BlockStackingLayoutManager$MappingPosition this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    4     0   this  Lorg/apache/fop/layoutmgr/BlockStackingLayoutManager$MappingPosition;
            0    4     1     lm  Lorg/apache/fop/layoutmgr/LayoutManager;
            0    4     2  first  I
            0    4     3   last  I
    MethodParameters:
       Name  Flags
      lm     
      first  
      last   

  public int getFirstIndex();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.fop.layoutmgr.BlockStackingLayoutManager$MappingPosition this
         0: .line 1146
            aload 0 /* this */
            getfield org.apache.fop.layoutmgr.BlockStackingLayoutManager$MappingPosition.firstIndex:I
            ireturn
        end local 0 // org.apache.fop.layoutmgr.BlockStackingLayoutManager$MappingPosition this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/fop/layoutmgr/BlockStackingLayoutManager$MappingPosition;

  public int getLastIndex();
    descriptor: ()I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.apache.fop.layoutmgr.BlockStackingLayoutManager$MappingPosition this
         0: .line 1151
            aload 0 /* this */
            getfield org.apache.fop.layoutmgr.BlockStackingLayoutManager$MappingPosition.lastIndex:I
            ireturn
        end local 0 // org.apache.fop.layoutmgr.BlockStackingLayoutManager$MappingPosition this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/apache/fop/layoutmgr/BlockStackingLayoutManager$MappingPosition;
}
SourceFile: "BlockStackingLayoutManager.java"
NestHost: org.apache.fop.layoutmgr.BlockStackingLayoutManager
InnerClasses:
  protected MappingPosition = org.apache.fop.layoutmgr.BlockStackingLayoutManager$MappingPosition of org.apache.fop.layoutmgr.BlockStackingLayoutManager