http://www.jcraft.com/jsch/: JSch is a pure Java implementation of SSH2 (JCraft,Inc.) 
class com.jcraft.jsch.ChannelSftp$3 implements com.jcraft.jsch.ChannelSftp$LsEntrySelector
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: com.jcraft.jsch.ChannelSftp$3
  super_class: java.lang.Object
{
  final com.jcraft.jsch.ChannelSftp this$0;
    descriptor: Lcom/jcraft/jsch/ChannelSftp;
    flags: (0x1010) ACC_FINAL, ACC_SYNTHETIC

  private final java.util.Vector val$v;
    descriptor: Ljava/util/Vector;
    flags: (0x1012) ACC_PRIVATE, ACC_FINAL, ACC_SYNTHETIC

  void <init>(com.jcraft.jsch.ChannelSftp, java.util.Vector);
    descriptor: (Lcom/jcraft/jsch/ChannelSftp;Ljava/util/Vector;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // com.jcraft.jsch.ChannelSftp$3 this
         0: .line 1547
            aload 0 /* this */
            aload 1
            putfield com.jcraft.jsch.ChannelSftp$3.this$0:Lcom/jcraft/jsch/ChannelSftp;
            aload 0 /* this */
            aload 2
            putfield com.jcraft.jsch.ChannelSftp$3.val$v:Ljava/util/Vector;
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // com.jcraft.jsch.ChannelSftp$3 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/jcraft/jsch/ChannelSftp$3;
    MethodParameters:
        Name  Flags
      this$0  final
      val$v   final

  public int select(com.jcraft.jsch.ChannelSftp$LsEntry);
    descriptor: (Lcom/jcraft/jsch/ChannelSftp$LsEntry;)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.jcraft.jsch.ChannelSftp$3 this
        start local 1 // com.jcraft.jsch.ChannelSftp$LsEntry entry
         0: .line 1549
            aload 0 /* this */
            getfield com.jcraft.jsch.ChannelSftp$3.val$v:Ljava/util/Vector;
            aload 1 /* entry */
            invokevirtual java.util.Vector.addElement:(Ljava/lang/Object;)V
         1: .line 1550
            iconst_0
            ireturn
        end local 1 // com.jcraft.jsch.ChannelSftp$LsEntry entry
        end local 0 // com.jcraft.jsch.ChannelSftp$3 this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    2     0   this  Lcom/jcraft/jsch/ChannelSftp$3;
            0    2     1  entry  Lcom/jcraft/jsch/ChannelSftp$LsEntry;
    MethodParameters:
       Name  Flags
      entry  
}
SourceFile: "ChannelSftp.java"
EnclosingMethod: com.jcraft.jsch.ChannelSftp.ls:(Ljava/lang/String;)Ljava/util/Vector;
NestHost: com.jcraft.jsch.ChannelSftp
InnerClasses:
  com.jcraft.jsch.ChannelSftp$3
  public LsEntry = com.jcraft.jsch.ChannelSftp$LsEntry of com.jcraft.jsch.ChannelSftp
  public abstract LsEntrySelector = com.jcraft.jsch.ChannelSftp$LsEntrySelector of com.jcraft.jsch.ChannelSftp