https://www.graalvm.org/ 
public final class org.graalvm.compiler.nodes.InliningLog$UpdateScope implements java.lang.AutoCloseable
  minor version: 0
  major version: 59
  flags: flags: (0x0031) ACC_PUBLIC, ACC_FINAL, ACC_SUPER
  this_class: org.graalvm.compiler.nodes.InliningLog$UpdateScope
  super_class: java.lang.Object
{
  private java.util.function.BiConsumer<org.graalvm.compiler.nodes.Invokable, org.graalvm.compiler.nodes.Invokable> updater;
    descriptor: Ljava/util/function/BiConsumer;
    flags: (0x0002) ACC_PRIVATE
    Signature: Ljava/util/function/BiConsumer<Lorg/graalvm/compiler/nodes/Invokable;Lorg/graalvm/compiler/nodes/Invokable;>;

  final org.graalvm.compiler.nodes.InliningLog this$0;
    descriptor: Lorg/graalvm/compiler/nodes/InliningLog;
    flags: (0x1010) ACC_FINAL, ACC_SYNTHETIC

  static final boolean $assertionsDisabled;
    descriptor: Z
    flags: (0x1018) ACC_STATIC, ACC_FINAL, ACC_SYNTHETIC

  static void <clinit>();
    descriptor: ()V
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=0, args_size=0
         0: .line 296
            ldc Lorg/graalvm/compiler/nodes/InliningLog;
            invokevirtual java.lang.Class.desiredAssertionStatus:()Z
            ifne 1
            iconst_1
            goto 2
      StackMap locals:
      StackMap stack:
         1: iconst_0
      StackMap locals:
      StackMap stack: int
         2: putstatic org.graalvm.compiler.nodes.InliningLog$UpdateScope.$assertionsDisabled:Z
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature

  private void <init>(java.util.function.BiConsumer<org.graalvm.compiler.nodes.Invokable, org.graalvm.compiler.nodes.Invokable>);
    descriptor: (Lorg/graalvm/compiler/nodes/InliningLog;Ljava/util/function/BiConsumer;)V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=2, locals=3, args_size=3
        start local 0 // org.graalvm.compiler.nodes.InliningLog$UpdateScope this
        start local 2 // java.util.function.BiConsumer updater
         0: .line 299
            aload 0 /* this */
            aload 1
            putfield org.graalvm.compiler.nodes.InliningLog$UpdateScope.this$0:Lorg/graalvm/compiler/nodes/InliningLog;
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 300
            aload 0 /* this */
            aload 2 /* updater */
            putfield org.graalvm.compiler.nodes.InliningLog$UpdateScope.updater:Ljava/util/function/BiConsumer;
         2: .line 301
            return
        end local 2 // java.util.function.BiConsumer updater
        end local 0 // org.graalvm.compiler.nodes.InliningLog$UpdateScope this
      LocalVariableTable:
        Start  End  Slot     Name  Signature
            0    3     0     this  Lorg/graalvm/compiler/nodes/InliningLog$UpdateScope;
            0    3     2  updater  Ljava/util/function/BiConsumer<Lorg/graalvm/compiler/nodes/Invokable;Lorg/graalvm/compiler/nodes/Invokable;>;
    Signature: (Ljava/util/function/BiConsumer<Lorg/graalvm/compiler/nodes/Invokable;Lorg/graalvm/compiler/nodes/Invokable;>;)V
    MethodParameters:
         Name  Flags
      this$0   final
      updater  

  public void activate();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.graalvm.compiler.nodes.InliningLog$UpdateScope this
         0: .line 304
            aload 0 /* this */
            getfield org.graalvm.compiler.nodes.InliningLog$UpdateScope.this$0:Lorg/graalvm/compiler/nodes/InliningLog;
            getfield org.graalvm.compiler.nodes.InliningLog.currentUpdateScope:Lorg/graalvm/compiler/nodes/InliningLog$UpdateScope;
            ifnull 2
         1: .line 305
            ldc "InliningLog updating already set."
            invokestatic org.graalvm.compiler.debug.GraalError.shouldNotReachHere:(Ljava/lang/String;)Ljava/lang/RuntimeException;
            athrow
         2: .line 307
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.graalvm.compiler.nodes.InliningLog$UpdateScope.this$0:Lorg/graalvm/compiler/nodes/InliningLog;
            aload 0 /* this */
            putfield org.graalvm.compiler.nodes.InliningLog.currentUpdateScope:Lorg/graalvm/compiler/nodes/InliningLog$UpdateScope;
         3: .line 308
            return
        end local 0 // org.graalvm.compiler.nodes.InliningLog$UpdateScope this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/graalvm/compiler/nodes/InliningLog$UpdateScope;

  public void close();
    descriptor: ()V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // org.graalvm.compiler.nodes.InliningLog$UpdateScope this
         0: .line 312
            aload 0 /* this */
            getfield org.graalvm.compiler.nodes.InliningLog$UpdateScope.this$0:Lorg/graalvm/compiler/nodes/InliningLog;
            getfield org.graalvm.compiler.nodes.InliningLog.enabled:Z
            ifeq 3
         1: .line 313
            getstatic org.graalvm.compiler.nodes.InliningLog$UpdateScope.$assertionsDisabled:Z
            ifne 2
            aload 0 /* this */
            getfield org.graalvm.compiler.nodes.InliningLog$UpdateScope.this$0:Lorg/graalvm/compiler/nodes/InliningLog;
            getfield org.graalvm.compiler.nodes.InliningLog.currentUpdateScope:Lorg/graalvm/compiler/nodes/InliningLog$UpdateScope;
            ifnonnull 2
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         2: .line 314
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.graalvm.compiler.nodes.InliningLog$UpdateScope.this$0:Lorg/graalvm/compiler/nodes/InliningLog;
            aconst_null
            putfield org.graalvm.compiler.nodes.InliningLog.currentUpdateScope:Lorg/graalvm/compiler/nodes/InliningLog$UpdateScope;
         3: .line 316
      StackMap locals:
      StackMap stack:
            return
        end local 0 // org.graalvm.compiler.nodes.InliningLog$UpdateScope this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    4     0  this  Lorg/graalvm/compiler/nodes/InliningLog$UpdateScope;

  public java.util.function.BiConsumer<org.graalvm.compiler.nodes.Invokable, org.graalvm.compiler.nodes.Invokable> getUpdater();
    descriptor: ()Ljava/util/function/BiConsumer;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.graalvm.compiler.nodes.InliningLog$UpdateScope this
         0: .line 319
            aload 0 /* this */
            getfield org.graalvm.compiler.nodes.InliningLog$UpdateScope.updater:Ljava/util/function/BiConsumer;
            areturn
        end local 0 // org.graalvm.compiler.nodes.InliningLog$UpdateScope this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/graalvm/compiler/nodes/InliningLog$UpdateScope;
    Signature: ()Ljava/util/function/BiConsumer<Lorg/graalvm/compiler/nodes/Invokable;Lorg/graalvm/compiler/nodes/Invokable;>;
}
SourceFile: "InliningLog.java"
NestHost: org.graalvm.compiler.nodes.InliningLog
InnerClasses:
  public final UpdateScope = org.graalvm.compiler.nodes.InliningLog$UpdateScope of org.graalvm.compiler.nodes.InliningLog