public abstract class io.netty.resolver.AddressResolverGroup<T extends java.net.SocketAddress> implements java.io.Closeable
  minor version: 0
  major version: 59
  flags: flags: (0x0421) ACC_PUBLIC, ACC_SUPER, ACC_ABSTRACT
  this_class: io.netty.resolver.AddressResolverGroup
  super_class: java.lang.Object
{
  private static final io.netty.util.internal.logging.InternalLogger logger;
    descriptor: Lio/netty/util/internal/logging/InternalLogger;
    flags: (0x001a) ACC_PRIVATE, ACC_STATIC, ACC_FINAL

  private final java.util.Map<io.netty.util.concurrent.EventExecutor, io.netty.resolver.AddressResolver<T>> resolvers;
    descriptor: Ljava/util/Map;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/util/Map<Lio/netty/util/concurrent/EventExecutor;Lio/netty/resolver/AddressResolver<TT;>;>;

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 38
            ldc Lio/netty/resolver/AddressResolverGroup;
            invokestatic io.netty.util.internal.logging.InternalLoggerFactory.getInstance:(Ljava/lang/Class;)Lio/netty/util/internal/logging/InternalLogger;
            putstatic io.netty.resolver.AddressResolverGroup.logger:Lio/netty/util/internal/logging/InternalLogger;
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  protected void <init>();
    descriptor: ()V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=3, locals=1, args_size=1
        start local 0 // io.netty.resolver.AddressResolverGroup this
         0: .line 46
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 43
            aload 0 /* this */
         2: .line 44
            new java.util.IdentityHashMap
            dup
            invokespecial java.util.IdentityHashMap.<init>:()V
            putfield io.netty.resolver.AddressResolverGroup.resolvers:Ljava/util/Map;
         3: .line 46
            return
        end local 0 // io.netty.resolver.AddressResolverGroup this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lio/netty/resolver/AddressResolverGroup<TT;>;

  public io.netty.resolver.AddressResolver<T> getResolver(io.netty.util.concurrent.EventExecutor);
    descriptor: (Lio/netty/util/concurrent/EventExecutor;)Lio/netty/resolver/AddressResolver;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=6, locals=6, args_size=2
        start local 0 // io.netty.resolver.AddressResolverGroup this
        start local 1 // io.netty.util.concurrent.EventExecutor executor
         0: .line 55
            aload 1 /* executor */
            ifnonnull 2
         1: .line 56
            new java.lang.NullPointerException
            dup
            ldc "executor"
            invokespecial java.lang.NullPointerException.<init>:(Ljava/lang/String;)V
            athrow
         2: .line 59
      StackMap locals:
      StackMap stack:
            aload 1 /* executor */
            invokeinterface io.netty.util.concurrent.EventExecutor.isShuttingDown:()Z
            ifeq 4
         3: .line 60
            new java.lang.IllegalStateException
            dup
            ldc "executor not accepting a task"
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;)V
            athrow
         4: .line 64
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield io.netty.resolver.AddressResolverGroup.resolvers:Ljava/util/Map;
            dup
            astore 3
            monitorenter
         5: .line 65
            aload 0 /* this */
            getfield io.netty.resolver.AddressResolverGroup.resolvers:Ljava/util/Map;
            aload 1 /* executor */
            invokeinterface java.util.Map.get:(Ljava/lang/Object;)Ljava/lang/Object;
            checkcast io.netty.resolver.AddressResolver
            astore 2 /* r */
        start local 2 // io.netty.resolver.AddressResolver r
         6: .line 66
            aload 2 /* r */
            ifnonnull 14
         7: .line 69
            aload 0 /* this */
            aload 1 /* executor */
            invokevirtual io.netty.resolver.AddressResolverGroup.newResolver:(Lio/netty/util/concurrent/EventExecutor;)Lio/netty/resolver/AddressResolver;
            astore 4 /* newResolver */
        start local 4 // io.netty.resolver.AddressResolver newResolver
         8: .line 70
            goto 11
        end local 4 // io.netty.resolver.AddressResolver newResolver
      StackMap locals: io.netty.resolver.AddressResolverGroup io.netty.util.concurrent.EventExecutor io.netty.resolver.AddressResolver java.util.Map
      StackMap stack: java.lang.Exception
         9: astore 5 /* e */
        start local 5 // java.lang.Exception e
        10: .line 71
            new java.lang.IllegalStateException
            dup
            ldc "failed to create a new resolver"
            aload 5 /* e */
            invokespecial java.lang.IllegalStateException.<init>:(Ljava/lang/String;Ljava/lang/Throwable;)V
            athrow
        end local 5 // java.lang.Exception e
        start local 4 // io.netty.resolver.AddressResolver newResolver
        11: .line 74
      StackMap locals: io.netty.resolver.AddressResolver
      StackMap stack:
            aload 0 /* this */
            getfield io.netty.resolver.AddressResolverGroup.resolvers:Ljava/util/Map;
            aload 1 /* executor */
            aload 4 /* newResolver */
            invokeinterface java.util.Map.put:(Ljava/lang/Object;Ljava/lang/Object;)Ljava/lang/Object;
            pop
        12: .line 75
            aload 1 /* executor */
            invokeinterface io.netty.util.concurrent.EventExecutor.terminationFuture:()Lio/netty/util/concurrent/Future;
            new io.netty.resolver.AddressResolverGroup$1
            dup
            aload 0 /* this */
            aload 1 /* executor */
            aload 4 /* newResolver */
            invokespecial io.netty.resolver.AddressResolverGroup$1.<init>:(Lio/netty/resolver/AddressResolverGroup;Lio/netty/util/concurrent/EventExecutor;Lio/netty/resolver/AddressResolver;)V
            invokeinterface io.netty.util.concurrent.Future.addListener:(Lio/netty/util/concurrent/GenericFutureListener;)Lio/netty/util/concurrent/Future;
            pop
        13: .line 85
            aload 4 /* newResolver */
            astore 2 /* r */
        end local 4 // io.netty.resolver.AddressResolver newResolver
        14: .line 64
      StackMap locals:
      StackMap stack:
            aload 3
            monitorexit
        15: goto 18
        end local 2 // io.netty.resolver.AddressResolver r
      StackMap locals: io.netty.resolver.AddressResolverGroup io.netty.util.concurrent.EventExecutor top java.util.Map
      StackMap stack: java.lang.Throwable
        16: aload 3
            monitorexit
        17: athrow
        start local 2 // io.netty.resolver.AddressResolver r
        18: .line 89
      StackMap locals: io.netty.resolver.AddressResolverGroup io.netty.util.concurrent.EventExecutor io.netty.resolver.AddressResolver
      StackMap stack:
            aload 2 /* r */
            areturn
        end local 2 // io.netty.resolver.AddressResolver r
        end local 1 // io.netty.util.concurrent.EventExecutor executor
        end local 0 // io.netty.resolver.AddressResolverGroup this
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0   19     0         this  Lio/netty/resolver/AddressResolverGroup<TT;>;
            0   19     1     executor  Lio/netty/util/concurrent/EventExecutor;
            6   16     2            r  Lio/netty/resolver/AddressResolver<TT;>;
           18   19     2            r  Lio/netty/resolver/AddressResolver<TT;>;
            8    9     4  newResolver  Lio/netty/resolver/AddressResolver<TT;>;
           11   14     4  newResolver  Lio/netty/resolver/AddressResolver<TT;>;
           10   11     5            e  Ljava/lang/Exception;
      Exception table:
        from    to  target  type
           7     8       9  Class java.lang.Exception
           5    15      16  any
          16    17      16  any
    Signature: (Lio/netty/util/concurrent/EventExecutor;)Lio/netty/resolver/AddressResolver<TT;>;
    MethodParameters:
          Name  Flags
      executor  final

  protected abstract io.netty.resolver.AddressResolver<T> newResolver(io.netty.util.concurrent.EventExecutor);
    descriptor: (Lio/netty/util/concurrent/EventExecutor;)Lio/netty/resolver/AddressResolver;
    flags: (0x0404) ACC_PROTECTED, ACC_ABSTRACT
    Exceptions:
      throws java.lang.Exception
    Signature: (Lio/netty/util/concurrent/EventExecutor;)Lio/netty/resolver/AddressResolver<TT;>;
    MethodParameters:
          Name  Flags
      executor  

  public void close();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=7, args_size=1
        start local 0 // io.netty.resolver.AddressResolverGroup this
         0: .line 104
            aload 0 /* this */
            getfield io.netty.resolver.AddressResolverGroup.resolvers:Ljava/util/Map;
            dup
            astore 2
            monitorenter
         1: .line 105
            aload 0 /* this */
            getfield io.netty.resolver.AddressResolverGroup.resolvers:Ljava/util/Map;
            invokeinterface java.util.Map.values:()Ljava/util/Collection;
            aload 0 /* this */
            getfield io.netty.resolver.AddressResolverGroup.resolvers:Ljava/util/Map;
            invokeinterface java.util.Map.size:()I
            anewarray io.netty.resolver.AddressResolver
            invokeinterface java.util.Collection.toArray:([Ljava/lang/Object;)[Ljava/lang/Object;
            checkcast io.netty.resolver.AddressResolver[]
            astore 1 /* rArray */
        start local 1 // io.netty.resolver.AddressResolver[] rArray
         2: .line 106
            aload 0 /* this */
            getfield io.netty.resolver.AddressResolverGroup.resolvers:Ljava/util/Map;
            invokeinterface java.util.Map.clear:()V
         3: .line 104
            aload 2
            monitorexit
         4: goto 7
        end local 1 // io.netty.resolver.AddressResolver[] rArray
      StackMap locals: io.netty.resolver.AddressResolverGroup top java.util.Map
      StackMap stack: java.lang.Throwable
         5: aload 2
            monitorexit
         6: athrow
        start local 1 // io.netty.resolver.AddressResolver[] rArray
         7: .line 109
      StackMap locals: io.netty.resolver.AddressResolverGroup io.netty.resolver.AddressResolver[]
      StackMap stack:
            aload 1 /* rArray */
            dup
            astore 5
            arraylength
            istore 4
            iconst_0
            istore 3
            goto 14
      StackMap locals: io.netty.resolver.AddressResolverGroup io.netty.resolver.AddressResolver[] top int int io.netty.resolver.AddressResolver[]
      StackMap stack:
         8: aload 5
            iload 3
            aaload
            astore 2 /* r */
        start local 2 // io.netty.resolver.AddressResolver r
         9: .line 111
            aload 2 /* r */
            invokeinterface io.netty.resolver.AddressResolver.close:()V
        10: .line 112
            goto 13
      StackMap locals: io.netty.resolver.AddressResolverGroup io.netty.resolver.AddressResolver[] io.netty.resolver.AddressResolver int int io.netty.resolver.AddressResolver[]
      StackMap stack: java.lang.Throwable
        11: astore 6 /* t */
        start local 6 // java.lang.Throwable t
        12: .line 113
            getstatic io.netty.resolver.AddressResolverGroup.logger:Lio/netty/util/internal/logging/InternalLogger;
            ldc "Failed to close a resolver:"
            aload 6 /* t */
            invokeinterface io.netty.util.internal.logging.InternalLogger.warn:(Ljava/lang/String;Ljava/lang/Throwable;)V
        end local 6 // java.lang.Throwable t
        end local 2 // io.netty.resolver.AddressResolver r
        13: .line 109
      StackMap locals: io.netty.resolver.AddressResolverGroup io.netty.resolver.AddressResolver[] top int int io.netty.resolver.AddressResolver[]
      StackMap stack:
            iinc 3 1
      StackMap locals:
      StackMap stack:
        14: iload 3
            iload 4
            if_icmplt 8
        15: .line 116
            return
        end local 1 // io.netty.resolver.AddressResolver[] rArray
        end local 0 // io.netty.resolver.AddressResolverGroup this
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0   16     0    this  Lio/netty/resolver/AddressResolverGroup<TT;>;
            2    5     1  rArray  [Lio/netty/resolver/AddressResolver;
            7   16     1  rArray  [Lio/netty/resolver/AddressResolver;
            9   13     2       r  Lio/netty/resolver/AddressResolver<TT;>;
           12   13     6       t  Ljava/lang/Throwable;
      Exception table:
        from    to  target  type
           1     4       5  any
           5     6       5  any
           9    10      11  Class java.lang.Throwable
}
Signature: <T:Ljava/net/SocketAddress;>Ljava/lang/Object;Ljava/io/Closeable;
SourceFile: "AddressResolverGroup.java"
NestMembers:
  io.netty.resolver.AddressResolverGroup$1
InnerClasses:
  io.netty.resolver.AddressResolverGroup$1