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) 
final class io.netty.resolver.dns.DnsQueryContextManager
  minor version: 0
  major version: 59
  flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
  this_class: io.netty.resolver.dns.DnsQueryContextManager
  super_class: java.lang.Object
{
  final java.util.Map<java.net.InetSocketAddress, io.netty.util.collection.IntObjectMap<io.netty.resolver.dns.DnsQueryContext>> map;
    descriptor: Ljava/util/Map;
    flags: (0x0010) ACC_FINAL
    Signature: Ljava/util/Map<Ljava/net/InetSocketAddress;Lio/netty/util/collection/IntObjectMap<Lio/netty/resolver/dns/DnsQueryContext;>;>;

  void <init>();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // io.netty.resolver.dns.DnsQueryContextManager this
         0: .line 32
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 38
            aload 0 /* this */
         2: .line 39
            new java.util.HashMap
            dup
            invokespecial java.util.HashMap.<init>:()V
            putfield io.netty.resolver.dns.DnsQueryContextManager.map:Ljava/util/Map;
         3: .line 32
            return
        end local 0 // io.netty.resolver.dns.DnsQueryContextManager this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lio/netty/resolver/dns/DnsQueryContextManager;

  int add(io.netty.resolver.dns.DnsQueryContext);
    descriptor: (Lio/netty/resolver/dns/DnsQueryContext;)I
    flags: (0x0000) 
    Code:
      stack=5, locals=6, args_size=2
        start local 0 // io.netty.resolver.dns.DnsQueryContextManager this
        start local 1 // io.netty.resolver.dns.DnsQueryContext qCtx
         0: .line 42
            aload 0 /* this */
            aload 1 /* qCtx */
            invokevirtual io.netty.resolver.dns.DnsQueryContext.nameServerAddr:()Ljava/net/InetSocketAddress;
            invokevirtual io.netty.resolver.dns.DnsQueryContextManager.getOrCreateContextMap:(Ljava/net/InetSocketAddress;)Lio/netty/util/collection/IntObjectMap;
            astore 2 /* contexts */
        start local 2 // io.netty.util.collection.IntObjectMap contexts
         1: .line 44
            invokestatic io.netty.util.internal.PlatformDependent.threadLocalRandom:()Ljava/util/Random;
            ldc 65535
            invokevirtual java.util.Random.nextInt:(I)I
            iconst_1
            iadd
            istore 3 /* id */
        start local 3 // int id
         2: .line 46
            iconst_0
            istore 4 /* tries */
        start local 4 // int tries
         3: .line 48
            aload 2 /* contexts */
            dup
            astore 5
            monitorenter
         4: .line 50
      StackMap locals: io.netty.resolver.dns.DnsQueryContextManager io.netty.resolver.dns.DnsQueryContext io.netty.util.collection.IntObjectMap int int io.netty.util.collection.IntObjectMap
      StackMap stack:
            aload 2 /* contexts */
            iload 3 /* id */
            invokeinterface io.netty.util.collection.IntObjectMap.containsKey:(I)Z
            ifne 8
         5: .line 51
            aload 2 /* contexts */
            iload 3 /* id */
            aload 1 /* qCtx */
            invokeinterface io.netty.util.collection.IntObjectMap.put:(ILjava/lang/Object;)Ljava/lang/Object;
            pop
         6: .line 52
            iload 3 /* id */
            aload 5
            monitorexit
         7: ireturn
         8: .line 55
      StackMap locals:
      StackMap stack:
            iload 3 /* id */
            iconst_1
            iadd
            ldc 65535
            iand
            istore 3 /* id */
         9: .line 57
            iinc 4 /* tries */ 1
            iload 4 /* tries */
            ldc 131070
            if_icmplt 4
        10: .line 58
            new java.lang.IllegalStateException
            dup
            new java.lang.StringBuilder
            dup
            ldc "query ID space exhausted: "
            invokespecial java.lang.StringBuilder.<init>:(Ljava/lang/String;)V
            aload 1 /* qCtx */
            invokevirtual io.netty.resolver.dns.DnsQueryContext.question:()Lio/netty/handler/codec/dns/DnsQuestion;
            invokevirtual java.lang.StringBuilder.append:(Ljava/lang/Object;)Ljava/lang/StringBuilder;
            invokevirtual java.lang.StringBuilder.toString:()Ljava/lang/String;
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
            athrow
        11: .line 48
      StackMap locals:
      StackMap stack: java.lang.Throwable
            aload 5
            monitorexit
        12: athrow
        end local 4 // int tries
        end local 3 // int id
        end local 2 // io.netty.util.collection.IntObjectMap contexts
        end local 1 // io.netty.resolver.dns.DnsQueryContext qCtx
        end local 0 // io.netty.resolver.dns.DnsQueryContextManager this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0   13     0      this  Lio/netty/resolver/dns/DnsQueryContextManager;
            0   13     1      qCtx  Lio/netty/resolver/dns/DnsQueryContext;
            1   13     2  contexts  Lio/netty/util/collection/IntObjectMap<Lio/netty/resolver/dns/DnsQueryContext;>;
            2   13     3        id  I
            3   13     4     tries  I
      Exception table:
        from    to  target  type
           4     7      11  any
           8    12      11  any
    MethodParameters:
      Name  Flags
      qCtx  

  io.netty.resolver.dns.DnsQueryContext get(java.net.InetSocketAddress, int);
    descriptor: (Ljava/net/InetSocketAddress;I)Lio/netty/resolver/dns/DnsQueryContext;
    flags: (0x0000) 
    Code:
      stack=2, locals=6, args_size=3
        start local 0 // io.netty.resolver.dns.DnsQueryContextManager this
        start local 1 // java.net.InetSocketAddress nameServerAddr
        start local 2 // int id
         0: .line 65
            aload 0 /* this */
            aload 1 /* nameServerAddr */
            invokevirtual io.netty.resolver.dns.DnsQueryContextManager.getContextMap:(Ljava/net/InetSocketAddress;)Lio/netty/util/collection/IntObjectMap;
            astore 3 /* contexts */
        start local 3 // io.netty.util.collection.IntObjectMap contexts
         1: .line 67
            aload 3 /* contexts */
            ifnull 8
         2: .line 68
            aload 3 /* contexts */
            dup
            astore 5
            monitorenter
         3: .line 69
            aload 3 /* contexts */
            iload 2 /* id */
            invokeinterface io.netty.util.collection.IntObjectMap.get:(I)Ljava/lang/Object;
            checkcast io.netty.resolver.dns.DnsQueryContext
            astore 4 /* qCtx */
        start local 4 // io.netty.resolver.dns.DnsQueryContext qCtx
         4: .line 68
            aload 5
            monitorexit
         5: goto 9
        end local 4 // io.netty.resolver.dns.DnsQueryContext qCtx
      StackMap locals: io.netty.resolver.dns.DnsQueryContextManager java.net.InetSocketAddress int io.netty.util.collection.IntObjectMap top io.netty.util.collection.IntObjectMap
      StackMap stack: java.lang.Throwable
         6: aload 5
            monitorexit
         7: athrow
         8: .line 72
      StackMap locals: io.netty.resolver.dns.DnsQueryContextManager java.net.InetSocketAddress int io.netty.util.collection.IntObjectMap
      StackMap stack:
            aconst_null
            astore 4 /* qCtx */
        start local 4 // io.netty.resolver.dns.DnsQueryContext qCtx
         9: .line 75
      StackMap locals: io.netty.resolver.dns.DnsQueryContext
      StackMap stack:
            aload 4 /* qCtx */
            areturn
        end local 4 // io.netty.resolver.dns.DnsQueryContext qCtx
        end local 3 // io.netty.util.collection.IntObjectMap contexts
        end local 2 // int id
        end local 1 // java.net.InetSocketAddress nameServerAddr
        end local 0 // io.netty.resolver.dns.DnsQueryContextManager this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0   10     0            this  Lio/netty/resolver/dns/DnsQueryContextManager;
            0   10     1  nameServerAddr  Ljava/net/InetSocketAddress;
            0   10     2              id  I
            1   10     3        contexts  Lio/netty/util/collection/IntObjectMap<Lio/netty/resolver/dns/DnsQueryContext;>;
            4    6     4            qCtx  Lio/netty/resolver/dns/DnsQueryContext;
            9   10     4            qCtx  Lio/netty/resolver/dns/DnsQueryContext;
      Exception table:
        from    to  target  type
           3     5       6  any
           6     7       6  any
    MethodParameters:
                Name  Flags
      nameServerAddr  
      id              

  io.netty.resolver.dns.DnsQueryContext remove(java.net.InetSocketAddress, int);
    descriptor: (Ljava/net/InetSocketAddress;I)Lio/netty/resolver/dns/DnsQueryContext;
    flags: (0x0000) 
    Code:
      stack=2, locals=5, args_size=3
        start local 0 // io.netty.resolver.dns.DnsQueryContextManager this
        start local 1 // java.net.InetSocketAddress nameServerAddr
        start local 2 // int id
         0: .line 79
            aload 0 /* this */
            aload 1 /* nameServerAddr */
            invokevirtual io.netty.resolver.dns.DnsQueryContextManager.getContextMap:(Ljava/net/InetSocketAddress;)Lio/netty/util/collection/IntObjectMap;
            astore 3 /* contexts */
        start local 3 // io.netty.util.collection.IntObjectMap contexts
         1: .line 80
            aload 3 /* contexts */
            ifnonnull 3
         2: .line 81
            aconst_null
            areturn
         3: .line 84
      StackMap locals: io.netty.util.collection.IntObjectMap
      StackMap stack:
            aload 3 /* contexts */
            dup
            astore 4
            monitorenter
         4: .line 85
            aload 3 /* contexts */
            iload 2 /* id */
            invokeinterface io.netty.util.collection.IntObjectMap.remove:(I)Ljava/lang/Object;
            checkcast io.netty.resolver.dns.DnsQueryContext
            aload 4
            monitorexit
         5: areturn
         6: .line 84
      StackMap locals: io.netty.resolver.dns.DnsQueryContextManager java.net.InetSocketAddress int io.netty.util.collection.IntObjectMap io.netty.util.collection.IntObjectMap
      StackMap stack: java.lang.Throwable
            aload 4
            monitorexit
         7: athrow
        end local 3 // io.netty.util.collection.IntObjectMap contexts
        end local 2 // int id
        end local 1 // java.net.InetSocketAddress nameServerAddr
        end local 0 // io.netty.resolver.dns.DnsQueryContextManager this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0    8     0            this  Lio/netty/resolver/dns/DnsQueryContextManager;
            0    8     1  nameServerAddr  Ljava/net/InetSocketAddress;
            0    8     2              id  I
            1    8     3        contexts  Lio/netty/util/collection/IntObjectMap<Lio/netty/resolver/dns/DnsQueryContext;>;
      Exception table:
        from    to  target  type
           4     5       6  any
           6     7       6  any
    MethodParameters:
                Name  Flags
      nameServerAddr  
      id              

  private io.netty.util.collection.IntObjectMap<io.netty.resolver.dns.DnsQueryContext> getContextMap(java.net.InetSocketAddress);
    descriptor: (Ljava/net/InetSocketAddress;)Lio/netty/util/collection/IntObjectMap;
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // io.netty.resolver.dns.DnsQueryContextManager this
        start local 1 // java.net.InetSocketAddress nameServerAddr
         0: .line 90
            aload 0 /* this */
            getfield io.netty.resolver.dns.DnsQueryContextManager.map:Ljava/util/Map;
            dup
            astore 2
            monitorenter
         1: .line 91
            aload 0 /* this */
            getfield io.netty.resolver.dns.DnsQueryContextManager.map:Ljava/util/Map;
            aload 1 /* nameServerAddr */
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast io.netty.util.collection.IntObjectMap
            aload 2
            monitorexit
         2: areturn
         3: .line 90
      StackMap locals: io.netty.resolver.dns.DnsQueryContextManager java.net.InetSocketAddress java.util.Map
      StackMap stack: java.lang.Throwable
            aload 2
            monitorexit
         4: athrow
        end local 1 // java.net.InetSocketAddress nameServerAddr
        end local 0 // io.netty.resolver.dns.DnsQueryContextManager this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0    5     0            this  Lio/netty/resolver/dns/DnsQueryContextManager;
            0    5     1  nameServerAddr  Ljava/net/InetSocketAddress;
      Exception table:
        from    to  target  type
           1     2       3  any
           3     4       3  any
    Signature: (Ljava/net/InetSocketAddress;)Lio/netty/util/collection/IntObjectMap<Lio/netty/resolver/dns/DnsQueryContext;>;
    MethodParameters:
                Name  Flags
      nameServerAddr  

  private io.netty.util.collection.IntObjectMap<io.netty.resolver.dns.DnsQueryContext> getOrCreateContextMap(java.net.InetSocketAddress);
    descriptor: (Ljava/net/InetSocketAddress;)Lio/netty/util/collection/IntObjectMap;
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=5, locals=8, args_size=2
        start local 0 // io.netty.resolver.dns.DnsQueryContextManager this
        start local 1 // java.net.InetSocketAddress nameServerAddr
         0: .line 96
            aload 0 /* this */
            getfield io.netty.resolver.dns.DnsQueryContextManager.map:Ljava/util/Map;
            dup
            astore 2
            monitorenter
         1: .line 97
            aload 0 /* this */
            getfield io.netty.resolver.dns.DnsQueryContextManager.map:Ljava/util/Map;
            aload 1 /* nameServerAddr */
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast io.netty.util.collection.IntObjectMap
            astore 3 /* contexts */
        start local 3 // io.netty.util.collection.IntObjectMap contexts
         2: .line 98
            aload 3 /* contexts */
            ifnull 5
         3: .line 99
            aload 3 /* contexts */
            aload 2
            monitorexit
         4: areturn
         5: .line 102
      StackMap locals: java.util.Map io.netty.util.collection.IntObjectMap
      StackMap stack:
            new io.netty.util.collection.IntObjectHashMap
            dup
            invokespecial io.netty.util.collection.IntObjectHashMap.<init>:()V
            astore 4 /* newContexts */
        start local 4 // io.netty.util.collection.IntObjectMap newContexts
         6: .line 103
            aload 1 /* nameServerAddr */
            invokevirtual java.net.InetSocketAddress.getAddress:()Ljava/net/InetAddress;
            astore 5 /* a */
        start local 5 // java.net.InetAddress a
         7: .line 104
            aload 1 /* nameServerAddr */
            invokevirtual java.net.InetSocketAddress.getPort:()I
            istore 6 /* port */
        start local 6 // int port
         8: .line 105
            aload 0 /* this */
            getfield io.netty.resolver.dns.DnsQueryContextManager.map:Ljava/util/Map;
            aload 1 /* nameServerAddr */
            aload 4 /* newContexts */
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
         9: .line 107
            aload 5 /* a */
            instanceof java.net.Inet4Address
            ifeq 16
        10: .line 109
            aload 5 /* a */
            checkcast java.net.Inet4Address
            astore 7 /* a4 */
        start local 7 // java.net.Inet4Address a4
        11: .line 110
            aload 7 /* a4 */
            invokevirtual java.net.Inet4Address.isLoopbackAddress:()Z
            ifeq 14
        12: .line 111
            aload 0 /* this */
            getfield io.netty.resolver.dns.DnsQueryContextManager.map:Ljava/util/Map;
            new java.net.InetSocketAddress
            dup
            getstatic io.netty.util.NetUtil.LOCALHOST6:Ljava/net/Inet6Address;
            iload 6 /* port */
            invokespecial java.net.InetSocketAddress.<init>:(Ljava/net/InetAddress;I)V
            aload 4 /* newContexts */
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        13: .line 112
            goto 23
        14: .line 113
      StackMap locals: io.netty.resolver.dns.DnsQueryContextManager java.net.InetSocketAddress java.util.Map io.netty.util.collection.IntObjectMap io.netty.util.collection.IntObjectMap java.net.InetAddress int java.net.Inet4Address
      StackMap stack:
            aload 0 /* this */
            getfield io.netty.resolver.dns.DnsQueryContextManager.map:Ljava/util/Map;
            new java.net.InetSocketAddress
            dup
            aload 7 /* a4 */
            invokestatic io.netty.resolver.dns.DnsQueryContextManager.toCompactAddress:(Ljava/net/Inet4Address;)Ljava/net/Inet6Address;
            iload 6 /* port */
            invokespecial java.net.InetSocketAddress.<init>:(Ljava/net/InetAddress;I)V
            aload 4 /* newContexts */
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        end local 7 // java.net.Inet4Address a4
        15: .line 115
            goto 23
      StackMap locals:
      StackMap stack:
        16: aload 5 /* a */
            instanceof java.net.Inet6Address
            ifeq 23
        17: .line 117
            aload 5 /* a */
            checkcast java.net.Inet6Address
            astore 7 /* a6 */
        start local 7 // java.net.Inet6Address a6
        18: .line 118
            aload 7 /* a6 */
            invokevirtual java.net.Inet6Address.isLoopbackAddress:()Z
            ifeq 21
        19: .line 119
            aload 0 /* this */
            getfield io.netty.resolver.dns.DnsQueryContextManager.map:Ljava/util/Map;
            new java.net.InetSocketAddress
            dup
            getstatic io.netty.util.NetUtil.LOCALHOST4:Ljava/net/Inet4Address;
            iload 6 /* port */
            invokespecial java.net.InetSocketAddress.<init>:(Ljava/net/InetAddress;I)V
            aload 4 /* newContexts */
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        20: .line 120
            goto 23
      StackMap locals: java.net.Inet6Address
      StackMap stack:
        21: aload 7 /* a6 */
            invokevirtual java.net.Inet6Address.isIPv4CompatibleAddress:()Z
            ifeq 23
        22: .line 121
            aload 0 /* this */
            getfield io.netty.resolver.dns.DnsQueryContextManager.map:Ljava/util/Map;
            new java.net.InetSocketAddress
            dup
            aload 7 /* a6 */
            invokestatic io.netty.resolver.dns.DnsQueryContextManager.toIPv4Address:(Ljava/net/Inet6Address;)Ljava/net/Inet4Address;
            iload 6 /* port */
            invokespecial java.net.InetSocketAddress.<init>:(Ljava/net/InetAddress;I)V
            aload 4 /* newContexts */
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        end local 7 // java.net.Inet6Address a6
        23: .line 125
      StackMap locals:
      StackMap stack:
            aload 4 /* newContexts */
            aload 2
            monitorexit
        24: areturn
        end local 6 // int port
        end local 5 // java.net.InetAddress a
        end local 4 // io.netty.util.collection.IntObjectMap newContexts
        end local 3 // io.netty.util.collection.IntObjectMap contexts
        25: .line 96
      StackMap locals: io.netty.resolver.dns.DnsQueryContextManager java.net.InetSocketAddress java.util.Map
      StackMap stack: java.lang.Throwable
            aload 2
            monitorexit
        26: athrow
        end local 1 // java.net.InetSocketAddress nameServerAddr
        end local 0 // io.netty.resolver.dns.DnsQueryContextManager this
      LocalVariableTable:
        Start  End  Slot            Name  Signature
            0   27     0            this  Lio/netty/resolver/dns/DnsQueryContextManager;
            0   27     1  nameServerAddr  Ljava/net/InetSocketAddress;
            2   25     3        contexts  Lio/netty/util/collection/IntObjectMap<Lio/netty/resolver/dns/DnsQueryContext;>;
            6   25     4     newContexts  Lio/netty/util/collection/IntObjectMap<Lio/netty/resolver/dns/DnsQueryContext;>;
            7   25     5               a  Ljava/net/InetAddress;
            8   25     6            port  I
           11   15     7              a4  Ljava/net/Inet4Address;
           18   23     7              a6  Ljava/net/Inet6Address;
      Exception table:
        from    to  target  type
           1     4      25  any
           5    24      25  any
          25    26      25  any
    Signature: (Ljava/net/InetSocketAddress;)Lio/netty/util/collection/IntObjectMap<Lio/netty/resolver/dns/DnsQueryContext;>;
    MethodParameters:
                Name  Flags
      nameServerAddr  

  private static java.net.Inet6Address toCompactAddress(java.net.Inet4Address);
    descriptor: (Ljava/net/Inet4Address;)Ljava/net/Inet6Address;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=5, locals=4, args_size=1
        start local 0 // java.net.Inet4Address a4
         0: .line 130
            aload 0 /* a4 */
            invokevirtual java.net.Inet4Address.getAddress:()[B
            astore 1 /* b4 */
        start local 1 // byte[] b4
         1: .line 131
            bipush 16
            newarray 8
            dup
            bipush 12
            aload 1 /* b4 */
            iconst_0
            baload
            bastore
            dup
            bipush 13
            aload 1 /* b4 */
            iconst_1
            baload
            bastore
            dup
            bipush 14
            aload 1 /* b4 */
            iconst_2
            baload
            bastore
            dup
            bipush 15
            aload 1 /* b4 */
            iconst_3
            baload
            bastore
            astore 2 /* b6 */
        start local 2 // byte[] b6
         2: .line 133
            aload 2 /* b6 */
            invokestatic java.net.InetAddress.getByAddress:([B)Ljava/net/InetAddress;
            checkcast java.net.Inet6Address
         3: areturn
         4: .line 134
      StackMap locals: java.net.Inet4Address byte[] byte[]
      StackMap stack: java.net.UnknownHostException
            astore 3 /* e */
        start local 3 // java.net.UnknownHostException e
         5: .line 135
            new java.lang.Error
            dup
            aload 3 /* e */
            invokespecial java.lang.Error.<init>:(Ljava/lang/Throwable;)V
            athrow
        end local 3 // java.net.UnknownHostException e
        end local 2 // byte[] b6
        end local 1 // byte[] b4
        end local 0 // java.net.Inet4Address a4
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0    a4  Ljava/net/Inet4Address;
            1    6     1    b4  [B
            2    6     2    b6  [B
            5    6     3     e  Ljava/net/UnknownHostException;
      Exception table:
        from    to  target  type
           2     3       4  Class java.net.UnknownHostException
    MethodParameters:
      Name  Flags
      a4    

  private static java.net.Inet4Address toIPv4Address(java.net.Inet6Address);
    descriptor: (Ljava/net/Inet6Address;)Ljava/net/Inet4Address;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=5, locals=4, args_size=1
        start local 0 // java.net.Inet6Address a6
         0: .line 140
            aload 0 /* a6 */
            invokevirtual java.net.Inet6Address.getAddress:()[B
            astore 1 /* b6 */
        start local 1 // byte[] b6
         1: .line 141
            iconst_4
            newarray 8
            dup
            iconst_0
            aload 1 /* b6 */
            bipush 12
            baload
            bastore
            dup
            iconst_1
            aload 1 /* b6 */
            bipush 13
            baload
            bastore
            dup
            iconst_2
            aload 1 /* b6 */
            bipush 14
            baload
            bastore
            dup
            iconst_3
            aload 1 /* b6 */
            bipush 15
            baload
            bastore
            astore 2 /* b4 */
        start local 2 // byte[] b4
         2: .line 143
            aload 2 /* b4 */
            invokestatic java.net.InetAddress.getByAddress:([B)Ljava/net/InetAddress;
            checkcast java.net.Inet4Address
         3: areturn
         4: .line 144
      StackMap locals: java.net.Inet6Address byte[] byte[]
      StackMap stack: java.net.UnknownHostException
            astore 3 /* e */
        start local 3 // java.net.UnknownHostException e
         5: .line 145
            new java.lang.Error
            dup
            aload 3 /* e */
            invokespecial java.lang.Error.<init>:(Ljava/lang/Throwable;)V
            athrow
        end local 3 // java.net.UnknownHostException e
        end local 2 // byte[] b4
        end local 1 // byte[] b6
        end local 0 // java.net.Inet6Address a6
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    6     0    a6  Ljava/net/Inet6Address;
            1    6     1    b6  [B
            2    6     2    b4  [B
            5    6     3     e  Ljava/net/UnknownHostException;
      Exception table:
        from    to  target  type
           2     3       4  Class java.net.UnknownHostException
    MethodParameters:
      Name  Flags
      a6    
}
SourceFile: "DnsQueryContextManager.java"