public final class io.reactivex.internal.operators.mixed.ObservableConcatMapSingle<T, R> extends io.reactivex.Observable<R>
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: io.reactivex.internal.operators.mixed.ObservableConcatMapSingle
  super_class: io.reactivex.Observable
{
  final io.reactivex.Observable<T> source;
    descriptor: Lio/reactivex/Observable;
    flags: (0x0010) ACC_FINAL
    Signature: Lio/reactivex/Observable<TT;>;

  final io.reactivex.functions.Function<? super T, ? extends io.reactivex.SingleSource<? extends R>> mapper;
    descriptor: Lio/reactivex/functions/Function;
    flags: (0x0010) ACC_FINAL
    Signature: Lio/reactivex/functions/Function<-TT;+Lio/reactivex/SingleSource<+TR;>;>;

  final io.reactivex.internal.util.ErrorMode errorMode;
    descriptor: Lio/reactivex/internal/util/ErrorMode;
    flags: (0x0010) ACC_FINAL

  final int prefetch;
    descriptor: I
    flags: (0x0010) ACC_FINAL

  public void <init>(io.reactivex.Observable<T>, io.reactivex.functions.Function<? super T, ? extends io.reactivex.SingleSource<? extends R>>, io.reactivex.internal.util.ErrorMode, );
    descriptor: (Lio/reactivex/Observable;Lio/reactivex/functions/Function;Lio/reactivex/internal/util/ErrorMode;I)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=5, args_size=5
        start local 0 // io.reactivex.internal.operators.mixed.ObservableConcatMapSingle this
        start local 1 // io.reactivex.Observable source
        start local 2 // io.reactivex.functions.Function mapper
        start local 3 // io.reactivex.internal.util.ErrorMode errorMode
        start local 4 // int prefetch
         0: .line 48
            aload 0 /* this */
            invokespecial io.reactivex.Observable.<init>:()V
         1: .line 51
            aload 0 /* this */
            aload 1 /* source */
            putfield io.reactivex.internal.operators.mixed.ObservableConcatMapSingle.source:Lio/reactivex/Observable;
         2: .line 52
            aload 0 /* this */
            aload 2 /* mapper */
            putfield io.reactivex.internal.operators.mixed.ObservableConcatMapSingle.mapper:Lio/reactivex/functions/Function;
         3: .line 53
            aload 0 /* this */
            aload 3 /* errorMode */
            putfield io.reactivex.internal.operators.mixed.ObservableConcatMapSingle.errorMode:Lio/reactivex/internal/util/ErrorMode;
         4: .line 54
            aload 0 /* this */
            iload 4 /* prefetch */
            putfield io.reactivex.internal.operators.mixed.ObservableConcatMapSingle.prefetch:I
         5: .line 55
            return
        end local 4 // int prefetch
        end local 3 // io.reactivex.internal.util.ErrorMode errorMode
        end local 2 // io.reactivex.functions.Function mapper
        end local 1 // io.reactivex.Observable source
        end local 0 // io.reactivex.internal.operators.mixed.ObservableConcatMapSingle this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    6     0       this  Lio/reactivex/internal/operators/mixed/ObservableConcatMapSingle<TT;TR;>;
            0    6     1     source  Lio/reactivex/Observable<TT;>;
            0    6     2     mapper  Lio/reactivex/functions/Function<-TT;+Lio/reactivex/SingleSource<+TR;>;>;
            0    6     3  errorMode  Lio/reactivex/internal/util/ErrorMode;
            0    6     4   prefetch  I
    Signature: (Lio/reactivex/Observable<TT;>;Lio/reactivex/functions/Function<-TT;+Lio/reactivex/SingleSource<+TR;>;>;Lio/reactivex/internal/util/ErrorMode;I)V
    MethodParameters:
           Name  Flags
      source     
      mapper     
      errorMode  
      prefetch   

  protected void subscribeActual(io.reactivex.Observer<? super R>);
    descriptor: (Lio/reactivex/Observer;)V
    flags: (0x0004) ACC_PROTECTED
    Code:
      stack=7, locals=2, args_size=2
        start local 0 // io.reactivex.internal.operators.mixed.ObservableConcatMapSingle this
        start local 1 // io.reactivex.Observer observer
         0: .line 59
            aload 0 /* this */
            getfield io.reactivex.internal.operators.mixed.ObservableConcatMapSingle.source:Lio/reactivex/Observable;
            aload 0 /* this */
            getfield io.reactivex.internal.operators.mixed.ObservableConcatMapSingle.mapper:Lio/reactivex/functions/Function;
            aload 1 /* observer */
            invokestatic io.reactivex.internal.operators.mixed.ScalarXMapZHelper.tryAsSingle:(Ljava/lang/Object;Lio/reactivex/functions/Function;Lio/reactivex/Observer;)Z
            ifne 2
         1: .line 60
            aload 0 /* this */
            getfield io.reactivex.internal.operators.mixed.ObservableConcatMapSingle.source:Lio/reactivex/Observable;
            new io.reactivex.internal.operators.mixed.ObservableConcatMapSingle$ConcatMapSingleMainObserver
            dup
            aload 1 /* observer */
            aload 0 /* this */
            getfield io.reactivex.internal.operators.mixed.ObservableConcatMapSingle.mapper:Lio/reactivex/functions/Function;
            aload 0 /* this */
            getfield io.reactivex.internal.operators.mixed.ObservableConcatMapSingle.prefetch:I
            aload 0 /* this */
            getfield io.reactivex.internal.operators.mixed.ObservableConcatMapSingle.errorMode:Lio/reactivex/internal/util/ErrorMode;
            invokespecial io.reactivex.internal.operators.mixed.ObservableConcatMapSingle$ConcatMapSingleMainObserver.<init>:(Lio/reactivex/Observer;Lio/reactivex/functions/Function;ILio/reactivex/internal/util/ErrorMode;)V
            invokevirtual io.reactivex.Observable.subscribe:(Lio/reactivex/Observer;)V
         2: .line 62
      StackMap locals:
      StackMap stack:
            return
        end local 1 // io.reactivex.Observer observer
        end local 0 // io.reactivex.internal.operators.mixed.ObservableConcatMapSingle this
      LocalVariableTable:
        Start  End  Slot      Name  Signature
            0    3     0      this  Lio/reactivex/internal/operators/mixed/ObservableConcatMapSingle<TT;TR;>;
            0    3     1  observer  Lio/reactivex/Observer<-TR;>;
    Signature: (Lio/reactivex/Observer<-TR;>;)V
    MethodParameters:
          Name  Flags
      observer  
}
Signature: <T:Ljava/lang/Object;R:Ljava/lang/Object;>Lio/reactivex/Observable<TR;>;
SourceFile: "ObservableConcatMapSingle.java"
NestMembers:
  io.reactivex.internal.operators.mixed.ObservableConcatMapSingle$ConcatMapSingleMainObserver  io.reactivex.internal.operators.mixed.ObservableConcatMapSingle$ConcatMapSingleMainObserver$ConcatMapSingleObserver
InnerClasses:
  final ConcatMapSingleMainObserver = io.reactivex.internal.operators.mixed.ObservableConcatMapSingle$ConcatMapSingleMainObserver of io.reactivex.internal.operators.mixed.ObservableConcatMapSingle