http://netty.io/netty-all/: Netty is an asynchronous event-driven network application framework for rapid development of maintainable high performance protocol servers and clients. (The Netty Project) 
public class io.netty.util.concurrent.FastThreadLocalThread extends java.lang.Thread
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: io.netty.util.concurrent.FastThreadLocalThread
  super_class: java.lang.Thread
{
  private final boolean cleanupFastThreadLocals;
    descriptor: Z
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL

  private io.netty.util.internal.InternalThreadLocalMap threadLocalMap;
    descriptor: Lio/netty/util/internal/InternalThreadLocalMap;
    flags: (0x0002) ACC_PRIVATE

  public void <init>();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // io.netty.util.concurrent.FastThreadLocalThread this
         0: .line 30
            aload 0 /* this */
            invokespecial java.lang.Thread.<init>:()V
         1: .line 31
            aload 0 /* this */
            iconst_0
            putfield io.netty.util.concurrent.FastThreadLocalThread.cleanupFastThreadLocals:Z
         2: .line 32
            return
        end local 0 // io.netty.util.concurrent.FastThreadLocalThread this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lio/netty/util/concurrent/FastThreadLocalThread;

  public void <init>(java.lang.Runnable);
    descriptor: (Ljava/lang/Runnable;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // io.netty.util.concurrent.FastThreadLocalThread this
        start local 1 // java.lang.Runnable target
         0: .line 35
            aload 0 /* this */
            aload 1 /* target */
            invokestatic io.netty.util.concurrent.FastThreadLocalRunnable.wrap:(Ljava/lang/Runnable;)Ljava/lang/Runnable;
            invokespecial java.lang.Thread.<init>:(Ljava/lang/Runnable;)V
         1: .line 36
            aload 0 /* this */
            iconst_1
            putfield io.netty.util.concurrent.FastThreadLocalThread.cleanupFastThreadLocals:Z
         2: .line 37
            return
        end local 1 // java.lang.Runnable target
        end local 0 // io.netty.util.concurrent.FastThreadLocalThread this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    3     0    this  Lio/netty/util/concurrent/FastThreadLocalThread;
            0    3     1  target  Ljava/lang/Runnable;
    MethodParameters:
        Name  Flags
      target  

  public void <init>(java.lang.ThreadGroup, java.lang.Runnable);
    descriptor: (Ljava/lang/ThreadGroup;Ljava/lang/Runnable;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // io.netty.util.concurrent.FastThreadLocalThread this
        start local 1 // java.lang.ThreadGroup group
        start local 2 // java.lang.Runnable target
         0: .line 40
            aload 0 /* this */
            aload 1 /* group */
            aload 2 /* target */
            invokestatic io.netty.util.concurrent.FastThreadLocalRunnable.wrap:(Ljava/lang/Runnable;)Ljava/lang/Runnable;
            invokespecial java.lang.Thread.<init>:(Ljava/lang/ThreadGroup;Ljava/lang/Runnable;)V
         1: .line 41
            aload 0 /* this */
            iconst_1
            putfield io.netty.util.concurrent.FastThreadLocalThread.cleanupFastThreadLocals:Z
         2: .line 42
            return
        end local 2 // java.lang.Runnable target
        end local 1 // java.lang.ThreadGroup group
        end local 0 // io.netty.util.concurrent.FastThreadLocalThread this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    3     0    this  Lio/netty/util/concurrent/FastThreadLocalThread;
            0    3     1   group  Ljava/lang/ThreadGroup;
            0    3     2  target  Ljava/lang/Runnable;
    MethodParameters:
        Name  Flags
      group   
      target  

  public void <init>(java.lang.String);
    descriptor: (Ljava/lang/String;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // io.netty.util.concurrent.FastThreadLocalThread this
        start local 1 // java.lang.String name
         0: .line 45
            aload 0 /* this */
            aload 1 /* name */
            invokespecial java.lang.Thread.<init>:(Ljava/lang/String;)V
         1: .line 46
            aload 0 /* this */
            iconst_0
            putfield io.netty.util.concurrent.FastThreadLocalThread.cleanupFastThreadLocals:Z
         2: .line 47
            return
        end local 1 // java.lang.String name
        end local 0 // io.netty.util.concurrent.FastThreadLocalThread this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    3     0  this  Lio/netty/util/concurrent/FastThreadLocalThread;
            0    3     1  name  Ljava/lang/String;
    MethodParameters:
      Name  Flags
      name  

  public void <init>(java.lang.ThreadGroup, java.lang.String);
    descriptor: (Ljava/lang/ThreadGroup;Ljava/lang/String;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // io.netty.util.concurrent.FastThreadLocalThread this
        start local 1 // java.lang.ThreadGroup group
        start local 2 // java.lang.String name
         0: .line 50
            aload 0 /* this */
            aload 1 /* group */
            aload 2 /* name */
            invokespecial java.lang.Thread.<init>:(Ljava/lang/ThreadGroup;Ljava/lang/String;)V
         1: .line 51
            aload 0 /* this */
            iconst_0
            putfield io.netty.util.concurrent.FastThreadLocalThread.cleanupFastThreadLocals:Z
         2: .line 52
            return
        end local 2 // java.lang.String name
        end local 1 // java.lang.ThreadGroup group
        end local 0 // io.netty.util.concurrent.FastThreadLocalThread this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    3     0   this  Lio/netty/util/concurrent/FastThreadLocalThread;
            0    3     1  group  Ljava/lang/ThreadGroup;
            0    3     2   name  Ljava/lang/String;
    MethodParameters:
       Name  Flags
      group  
      name   

  public void <init>(java.lang.Runnable, java.lang.String);
    descriptor: (Ljava/lang/Runnable;Ljava/lang/String;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=3, args_size=3
        start local 0 // io.netty.util.concurrent.FastThreadLocalThread this
        start local 1 // java.lang.Runnable target
        start local 2 // java.lang.String name
         0: .line 55
            aload 0 /* this */
            aload 1 /* target */
            invokestatic io.netty.util.concurrent.FastThreadLocalRunnable.wrap:(Ljava/lang/Runnable;)Ljava/lang/Runnable;
            aload 2 /* name */
            invokespecial java.lang.Thread.<init>:(Ljava/lang/Runnable;Ljava/lang/String;)V
         1: .line 56
            aload 0 /* this */
            iconst_1
            putfield io.netty.util.concurrent.FastThreadLocalThread.cleanupFastThreadLocals:Z
         2: .line 57
            return
        end local 2 // java.lang.String name
        end local 1 // java.lang.Runnable target
        end local 0 // io.netty.util.concurrent.FastThreadLocalThread this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    3     0    this  Lio/netty/util/concurrent/FastThreadLocalThread;
            0    3     1  target  Ljava/lang/Runnable;
            0    3     2    name  Ljava/lang/String;
    MethodParameters:
        Name  Flags
      target  
      name    

  public void <init>(java.lang.ThreadGroup, java.lang.Runnable, java.lang.String);
    descriptor: (Ljava/lang/ThreadGroup;Ljava/lang/Runnable;Ljava/lang/String;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=4, locals=4, args_size=4
        start local 0 // io.netty.util.concurrent.FastThreadLocalThread this
        start local 1 // java.lang.ThreadGroup group
        start local 2 // java.lang.Runnable target
        start local 3 // java.lang.String name
         0: .line 60
            aload 0 /* this */
            aload 1 /* group */
            aload 2 /* target */
            invokestatic io.netty.util.concurrent.FastThreadLocalRunnable.wrap:(Ljava/lang/Runnable;)Ljava/lang/Runnable;
            aload 3 /* name */
            invokespecial java.lang.Thread.<init>:(Ljava/lang/ThreadGroup;Ljava/lang/Runnable;Ljava/lang/String;)V
         1: .line 61
            aload 0 /* this */
            iconst_1
            putfield io.netty.util.concurrent.FastThreadLocalThread.cleanupFastThreadLocals:Z
         2: .line 62
            return
        end local 3 // java.lang.String name
        end local 2 // java.lang.Runnable target
        end local 1 // java.lang.ThreadGroup group
        end local 0 // io.netty.util.concurrent.FastThreadLocalThread this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    3     0    this  Lio/netty/util/concurrent/FastThreadLocalThread;
            0    3     1   group  Ljava/lang/ThreadGroup;
            0    3     2  target  Ljava/lang/Runnable;
            0    3     3    name  Ljava/lang/String;
    MethodParameters:
        Name  Flags
      group   
      target  
      name    

  public void <init>(java.lang.ThreadGroup, java.lang.Runnable, java.lang.String, long);
    descriptor: (Ljava/lang/ThreadGroup;Ljava/lang/Runnable;Ljava/lang/String;J)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=6, args_size=5
        start local 0 // io.netty.util.concurrent.FastThreadLocalThread this
        start local 1 // java.lang.ThreadGroup group
        start local 2 // java.lang.Runnable target
        start local 3 // java.lang.String name
        start local 4 // long stackSize
         0: .line 65
            aload 0 /* this */
            aload 1 /* group */
            aload 2 /* target */
            invokestatic io.netty.util.concurrent.FastThreadLocalRunnable.wrap:(Ljava/lang/Runnable;)Ljava/lang/Runnable;
            aload 3 /* name */
            lload 4 /* stackSize */
            invokespecial java.lang.Thread.<init>:(Ljava/lang/ThreadGroup;Ljava/lang/Runnable;Ljava/lang/String;J)V
         1: .line 66
            aload 0 /* this */
            iconst_1
            putfield io.netty.util.concurrent.FastThreadLocalThread.cleanupFastThreadLocals:Z
         2: .line 67
            return
        end local 4 // long stackSize
        end local 3 // java.lang.String name
        end local 2 // java.lang.Runnable target
        end local 1 // java.lang.ThreadGroup group
        end local 0 // io.netty.util.concurrent.FastThreadLocalThread this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    3     0       this  Lio/netty/util/concurrent/FastThreadLocalThread;
            0    3     1      group  Ljava/lang/ThreadGroup;
            0    3     2     target  Ljava/lang/Runnable;
            0    3     3       name  Ljava/lang/String;
            0    3     4  stackSize  J
    MethodParameters:
           Name  Flags
      group      
      target     
      name       
      stackSize  

  public final io.netty.util.internal.InternalThreadLocalMap threadLocalMap();
    descriptor: ()Lio/netty/util/internal/InternalThreadLocalMap;
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.util.concurrent.FastThreadLocalThread this
         0: .line 74
            aload 0 /* this */
            getfield io.netty.util.concurrent.FastThreadLocalThread.threadLocalMap:Lio/netty/util/internal/InternalThreadLocalMap;
            areturn
        end local 0 // io.netty.util.concurrent.FastThreadLocalThread this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/util/concurrent/FastThreadLocalThread;

  public final void setThreadLocalMap(io.netty.util.internal.InternalThreadLocalMap);
    descriptor: (Lio/netty/util/internal/InternalThreadLocalMap;)V
    flags: (0x0011) ACC_PUBLIC, ACC_FINAL
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // io.netty.util.concurrent.FastThreadLocalThread this
        start local 1 // io.netty.util.internal.InternalThreadLocalMap threadLocalMap
         0: .line 82
            aload 0 /* this */
            aload 1 /* threadLocalMap */
            putfield io.netty.util.concurrent.FastThreadLocalThread.threadLocalMap:Lio/netty/util/internal/InternalThreadLocalMap;
         1: .line 83
            return
        end local 1 // io.netty.util.internal.InternalThreadLocalMap threadLocalMap
        end local 0 // io.netty.util.concurrent.FastThreadLocalThread this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0    2     0            this  Lio/netty/util/concurrent/FastThreadLocalThread;
            0    2     1  threadLocalMap  Lio/netty/util/internal/InternalThreadLocalMap;
    MethodParameters:
                Name  Flags
      threadLocalMap  

  public boolean willCleanupFastThreadLocals();
    descriptor: ()Z
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // io.netty.util.concurrent.FastThreadLocalThread this
         0: .line 90
            aload 0 /* this */
            getfield io.netty.util.concurrent.FastThreadLocalThread.cleanupFastThreadLocals:Z
            ireturn
        end local 0 // io.netty.util.concurrent.FastThreadLocalThread this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lio/netty/util/concurrent/FastThreadLocalThread;

  public static boolean willCleanupFastThreadLocals(java.lang.Thread);
    descriptor: (Ljava/lang/Thread;)Z
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // java.lang.Thread thread
         0: .line 98
            aload 0 /* thread */
            instanceof io.netty.util.concurrent.FastThreadLocalThread
            ifeq 3
         1: .line 99
            aload 0 /* thread */
            checkcast io.netty.util.concurrent.FastThreadLocalThread
            invokevirtual io.netty.util.concurrent.FastThreadLocalThread.willCleanupFastThreadLocals:()Z
            ifeq 3
         2: .line 98
            iconst_1
            ireturn
      StackMap locals:
      StackMap stack:
         3: iconst_0
            ireturn
        end local 0 // java.lang.Thread thread
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    4     0  thread  Ljava/lang/Thread;
    MethodParameters:
        Name  Flags
      thread  
}
SourceFile: "FastThreadLocalThread.java"