http://www.jboss.org/undertow-parent/undertow-core: Undertow (JBoss by Red Hat) 
public class io.undertow.conduits.BytesSentStreamSinkConduit extends org.xnio.conduits.AbstractStreamSinkConduit<org.xnio.conduits.StreamSinkConduit>
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: io.undertow.conduits.BytesSentStreamSinkConduit
  super_class: org.xnio.conduits.AbstractStreamSinkConduit
{
  private final io.undertow.conduits.ByteActivityCallback callback;
    descriptor: Lio/undertow/conduits/ByteActivityCallback;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  public void <init>(org.xnio.conduits.StreamSinkConduit, io.undertow.conduits.ByteActivityCallback);
    descriptor: (Lorg/xnio/conduits/StreamSinkConduit;Lio/undertow/conduits/ByteActivityCallback;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // io.undertow.conduits.BytesSentStreamSinkConduit this
        start local 1 // org.xnio.conduits.StreamSinkConduit next
        start local 2 // io.undertow.conduits.ByteActivityCallback callback
         0: .line 43
            aload 0 /* this */
            aload 1 /* next */
            invokespecial org.xnio.conduits.AbstractStreamSinkConduit.<init>:(Lorg/xnio/conduits/StreamSinkConduit;)V
         1: .line 44
            aload 0 /* this */
            aload 2 /* callback */
            putfield io.undertow.conduits.BytesSentStreamSinkConduit.callback:Lio/undertow/conduits/ByteActivityCallback;
         2: .line 45
            return
        end local 2 // io.undertow.conduits.ByteActivityCallback callback
        end local 1 // org.xnio.conduits.StreamSinkConduit next
        end local 0 // io.undertow.conduits.BytesSentStreamSinkConduit this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    3     0      this  Lio/undertow/conduits/BytesSentStreamSinkConduit;
            0    3     1      next  Lorg/xnio/conduits/StreamSinkConduit;
            0    3     2  callback  Lio/undertow/conduits/ByteActivityCallback;
    MethodParameters:
          Name  Flags
      next      
      callback  

  public long transferFrom(java.nio.channels.FileChannel, long, long);
    descriptor: (Ljava/nio/channels/FileChannel;JJ)J
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=8, args_size=4
        start local 0 // io.undertow.conduits.BytesSentStreamSinkConduit this
        start local 1 // java.nio.channels.FileChannel src
        start local 2 // long position
        start local 4 // long count
         0: .line 49
            aload 0 /* this */
            getfield io.undertow.conduits.BytesSentStreamSinkConduit.next:Lorg/xnio/conduits/Conduit;
            checkcast org.xnio.conduits.StreamSinkConduit
            aload 1 /* src */
            lload 2 /* position */
            lload 4 /* count */
            invokeinterface org.xnio.conduits.StreamSinkConduit.transferFrom:(Ljava/nio/channels/FileChannel;JJ)J
            lstore 6 /* l */
        start local 6 // long l
         1: .line 50
            lload 6 /* l */
            lconst_0
            lcmp
            ifle 3
         2: .line 51
            aload 0 /* this */
            getfield io.undertow.conduits.BytesSentStreamSinkConduit.callback:Lio/undertow/conduits/ByteActivityCallback;
            lload 6 /* l */
            invokeinterface io.undertow.conduits.ByteActivityCallback.activity:(J)V
         3: .line 53
      StackMap locals: long
      StackMap stack:
            lload 6 /* l */
            lreturn
        end local 6 // long l
        end local 4 // long count
        end local 2 // long position
        end local 1 // java.nio.channels.FileChannel src
        end local 0 // io.undertow.conduits.BytesSentStreamSinkConduit this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    4     0      this  Lio/undertow/conduits/BytesSentStreamSinkConduit;
            0    4     1       src  Ljava/nio/channels/FileChannel;
            0    4     2  position  J
            0    4     4     count  J
            1    4     6         l  J
    Exceptions:
      throws java.io.IOException
    MethodParameters:
          Name  Flags
      src       
      position  
      count     

  public long transferFrom(org.xnio.channels.StreamSourceChannel, long, java.nio.ByteBuffer);
    descriptor: (Lorg/xnio/channels/StreamSourceChannel;JLjava/nio/ByteBuffer;)J
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=5, locals=7, args_size=4
        start local 0 // io.undertow.conduits.BytesSentStreamSinkConduit this
        start local 1 // org.xnio.channels.StreamSourceChannel source
        start local 2 // long count
        start local 4 // java.nio.ByteBuffer throughBuffer
         0: .line 58
            aload 0 /* this */
            getfield io.undertow.conduits.BytesSentStreamSinkConduit.next:Lorg/xnio/conduits/Conduit;
            checkcast org.xnio.conduits.StreamSinkConduit
            aload 1 /* source */
            lload 2 /* count */
            aload 4 /* throughBuffer */
            invokeinterface org.xnio.conduits.StreamSinkConduit.transferFrom:(Lorg/xnio/channels/StreamSourceChannel;JLjava/nio/ByteBuffer;)J
            lstore 5 /* l */
        start local 5 // long l
         1: .line 59
            lload 5 /* l */
            lconst_0
            lcmp
            ifle 3
         2: .line 60
            aload 0 /* this */
            getfield io.undertow.conduits.BytesSentStreamSinkConduit.callback:Lio/undertow/conduits/ByteActivityCallback;
            lload 5 /* l */
            invokeinterface io.undertow.conduits.ByteActivityCallback.activity:(J)V
         3: .line 62
      StackMap locals: long
      StackMap stack:
            lload 5 /* l */
            lreturn
        end local 5 // long l
        end local 4 // java.nio.ByteBuffer throughBuffer
        end local 2 // long count
        end local 1 // org.xnio.channels.StreamSourceChannel source
        end local 0 // io.undertow.conduits.BytesSentStreamSinkConduit this
      LocalVariableTable:
        Start  End  Slot           Name  Signature
            0    4     0           this  Lio/undertow/conduits/BytesSentStreamSinkConduit;
            0    4     1         source  Lorg/xnio/channels/StreamSourceChannel;
            0    4     2          count  J
            0    4     4  throughBuffer  Ljava/nio/ByteBuffer;
            1    4     5              l  J
    Exceptions:
      throws java.io.IOException
    MethodParameters:
               Name  Flags
      source         
      count          
      throughBuffer  

  public int write(java.nio.ByteBuffer);
    descriptor: (Ljava/nio/ByteBuffer;)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=2
        start local 0 // io.undertow.conduits.BytesSentStreamSinkConduit this
        start local 1 // java.nio.ByteBuffer src
         0: .line 67
            aload 0 /* this */
            getfield io.undertow.conduits.BytesSentStreamSinkConduit.next:Lorg/xnio/conduits/Conduit;
            checkcast org.xnio.conduits.StreamSinkConduit
            aload 1 /* src */
            invokeinterface org.xnio.conduits.StreamSinkConduit.write:(Ljava/nio/ByteBuffer;)I
            istore 2 /* i */
        start local 2 // int i
         1: .line 68
            iload 2 /* i */
            ifle 3
         2: .line 69
            aload 0 /* this */
            getfield io.undertow.conduits.BytesSentStreamSinkConduit.callback:Lio/undertow/conduits/ByteActivityCallback;
            iload 2 /* i */
            i2l
            invokeinterface io.undertow.conduits.ByteActivityCallback.activity:(J)V
         3: .line 71
      StackMap locals: int
      StackMap stack:
            iload 2 /* i */
            ireturn
        end local 2 // int i
        end local 1 // java.nio.ByteBuffer src
        end local 0 // io.undertow.conduits.BytesSentStreamSinkConduit this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lio/undertow/conduits/BytesSentStreamSinkConduit;
            0    4     1   src  Ljava/nio/ByteBuffer;
            1    4     2     i  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      src   

  public long write(java.nio.ByteBuffer[], int, int);
    descriptor: ([Ljava/nio/ByteBuffer;II)J
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=6, args_size=4
        start local 0 // io.undertow.conduits.BytesSentStreamSinkConduit this
        start local 1 // java.nio.ByteBuffer[] srcs
        start local 2 // int offs
        start local 3 // int len
         0: .line 76
            aload 0 /* this */
            getfield io.undertow.conduits.BytesSentStreamSinkConduit.next:Lorg/xnio/conduits/Conduit;
            checkcast org.xnio.conduits.StreamSinkConduit
            aload 1 /* srcs */
            iload 2 /* offs */
            iload 3 /* len */
            invokeinterface org.xnio.conduits.StreamSinkConduit.write:([Ljava/nio/ByteBuffer;II)J
            lstore 4 /* l */
        start local 4 // long l
         1: .line 77
            lload 4 /* l */
            lconst_0
            lcmp
            ifle 3
         2: .line 78
            aload 0 /* this */
            getfield io.undertow.conduits.BytesSentStreamSinkConduit.callback:Lio/undertow/conduits/ByteActivityCallback;
            lload 4 /* l */
            invokeinterface io.undertow.conduits.ByteActivityCallback.activity:(J)V
         3: .line 80
      StackMap locals: long
      StackMap stack:
            lload 4 /* l */
            lreturn
        end local 4 // long l
        end local 3 // int len
        end local 2 // int offs
        end local 1 // java.nio.ByteBuffer[] srcs
        end local 0 // io.undertow.conduits.BytesSentStreamSinkConduit this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lio/undertow/conduits/BytesSentStreamSinkConduit;
            0    4     1  srcs  [Ljava/nio/ByteBuffer;
            0    4     2  offs  I
            0    4     3   len  I
            1    4     4     l  J
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      srcs  
      offs  
      len   

  public int writeFinal(java.nio.ByteBuffer);
    descriptor: (Ljava/nio/ByteBuffer;)I
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=2
        start local 0 // io.undertow.conduits.BytesSentStreamSinkConduit this
        start local 1 // java.nio.ByteBuffer src
         0: .line 85
            aload 0 /* this */
            getfield io.undertow.conduits.BytesSentStreamSinkConduit.next:Lorg/xnio/conduits/Conduit;
            checkcast org.xnio.conduits.StreamSinkConduit
            aload 1 /* src */
            invokeinterface org.xnio.conduits.StreamSinkConduit.writeFinal:(Ljava/nio/ByteBuffer;)I
            istore 2 /* i */
        start local 2 // int i
         1: .line 86
            iload 2 /* i */
            ifle 3
         2: .line 87
            aload 0 /* this */
            getfield io.undertow.conduits.BytesSentStreamSinkConduit.callback:Lio/undertow/conduits/ByteActivityCallback;
            iload 2 /* i */
            i2l
            invokeinterface io.undertow.conduits.ByteActivityCallback.activity:(J)V
         3: .line 89
      StackMap locals: int
      StackMap stack:
            iload 2 /* i */
            ireturn
        end local 2 // int i
        end local 1 // java.nio.ByteBuffer src
        end local 0 // io.undertow.conduits.BytesSentStreamSinkConduit this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lio/undertow/conduits/BytesSentStreamSinkConduit;
            0    4     1   src  Ljava/nio/ByteBuffer;
            1    4     2     i  I
    Exceptions:
      throws java.io.IOException
    MethodParameters:
      Name  Flags
      src   

  public long writeFinal(java.nio.ByteBuffer[], int, int);
    descriptor: ([Ljava/nio/ByteBuffer;II)J
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=6, args_size=4
        start local 0 // io.undertow.conduits.BytesSentStreamSinkConduit this
        start local 1 // java.nio.ByteBuffer[] srcs
        start local 2 // int offset
        start local 3 // int length
         0: .line 94
            aload 0 /* this */
            getfield io.undertow.conduits.BytesSentStreamSinkConduit.next:Lorg/xnio/conduits/Conduit;
            checkcast org.xnio.conduits.StreamSinkConduit
            aload 1 /* srcs */
            iload 2 /* offset */
            iload 3 /* length */
            invokeinterface org.xnio.conduits.StreamSinkConduit.writeFinal:([Ljava/nio/ByteBuffer;II)J
            lstore 4 /* l */
        start local 4 // long l
         1: .line 95
            lload 4 /* l */
            lconst_0
            lcmp
            ifle 3
         2: .line 96
            aload 0 /* this */
            getfield io.undertow.conduits.BytesSentStreamSinkConduit.callback:Lio/undertow/conduits/ByteActivityCallback;
            lload 4 /* l */
            invokeinterface io.undertow.conduits.ByteActivityCallback.activity:(J)V
         3: .line 98
      StackMap locals: long
      StackMap stack:
            lload 4 /* l */
            lreturn
        end local 4 // long l
        end local 3 // int length
        end local 2 // int offset
        end local 1 // java.nio.ByteBuffer[] srcs
        end local 0 // io.undertow.conduits.BytesSentStreamSinkConduit this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    4     0    this  Lio/undertow/conduits/BytesSentStreamSinkConduit;
            0    4     1    srcs  [Ljava/nio/ByteBuffer;
            0    4     2  offset  I
            0    4     3  length  I
            1    4     4       l  J
    Exceptions:
      throws java.io.IOException
    MethodParameters:
        Name  Flags
      srcs    
      offset  
      length  
}
Signature: Lorg/xnio/conduits/AbstractStreamSinkConduit<Lorg/xnio/conduits/StreamSinkConduit;>;
SourceFile: "BytesSentStreamSinkConduit.java"