https://www.graalvm.org/ 
class org.graalvm.compiler.truffle.runtime.hotspot.AbstractHotSpotTruffleRuntime$1 implements java.util.function.Consumer<org.graalvm.compiler.truffle.runtime.CompilationTask>
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: org.graalvm.compiler.truffle.runtime.hotspot.AbstractHotSpotTruffleRuntime$1
  super_class: java.lang.Object
{
  final org.graalvm.compiler.truffle.runtime.hotspot.AbstractHotSpotTruffleRuntime this$0;
    descriptor: Lorg/graalvm/compiler/truffle/runtime/hotspot/AbstractHotSpotTruffleRuntime;
    flags: (0x1010) ACC_FINAL, ACC_SYNTHETIC

  private final java.lang.Object val$lock;
    descriptor: Ljava/lang/Object;
    flags: (0x1012) ACC_PRIVATE, ACC_FINAL, ACC_SYNTHETIC

  private final org.graalvm.compiler.truffle.runtime.OptimizedCallTarget val$firstCallTarget;
    descriptor: Lorg/graalvm/compiler/truffle/runtime/OptimizedCallTarget;
    flags: (0x1012) ACC_PRIVATE, ACC_FINAL, ACC_SYNTHETIC

  void <init>(org.graalvm.compiler.truffle.runtime.hotspot.AbstractHotSpotTruffleRuntime, java.lang.Object, org.graalvm.compiler.truffle.runtime.OptimizedCallTarget);
    descriptor: (Lorg/graalvm/compiler/truffle/runtime/hotspot/AbstractHotSpotTruffleRuntime;Ljava/lang/Object;Lorg/graalvm/compiler/truffle/runtime/OptimizedCallTarget;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=4, args_size=4
        start local 0 // org.graalvm.compiler.truffle.runtime.hotspot.AbstractHotSpotTruffleRuntime$1 this
         0: .line 211
            aload 0 /* this */
            aload 1
            putfield org.graalvm.compiler.truffle.runtime.hotspot.AbstractHotSpotTruffleRuntime$1.this$0:Lorg/graalvm/compiler/truffle/runtime/hotspot/AbstractHotSpotTruffleRuntime;
            aload 0 /* this */
            aload 2
            putfield org.graalvm.compiler.truffle.runtime.hotspot.AbstractHotSpotTruffleRuntime$1.val$lock:Ljava/lang/Object;
            aload 0 /* this */
            aload 3
            putfield org.graalvm.compiler.truffle.runtime.hotspot.AbstractHotSpotTruffleRuntime$1.val$firstCallTarget:Lorg/graalvm/compiler/truffle/runtime/OptimizedCallTarget;
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // org.graalvm.compiler.truffle.runtime.hotspot.AbstractHotSpotTruffleRuntime$1 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/graalvm/compiler/truffle/runtime/hotspot/AbstractHotSpotTruffleRuntime$1;
    MethodParameters:
                     Name  Flags
      this$0               final
      val$lock             final
      val$firstCallTarget  final

  public void accept(org.graalvm.compiler.truffle.runtime.CompilationTask);
    descriptor: (Lorg/graalvm/compiler/truffle/runtime/CompilationTask;)V
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // org.graalvm.compiler.truffle.runtime.hotspot.AbstractHotSpotTruffleRuntime$1 this
        start local 1 // org.graalvm.compiler.truffle.runtime.CompilationTask task
         0: .line 214
            aload 0 /* this */
            getfield org.graalvm.compiler.truffle.runtime.hotspot.AbstractHotSpotTruffleRuntime$1.val$lock:Ljava/lang/Object;
            dup
            astore 2
            monitorenter
         1: .line 215
            aload 0 /* this */
            getfield org.graalvm.compiler.truffle.runtime.hotspot.AbstractHotSpotTruffleRuntime$1.this$0:Lorg/graalvm/compiler/truffle/runtime/hotspot/AbstractHotSpotTruffleRuntime;
            aload 0 /* this */
            getfield org.graalvm.compiler.truffle.runtime.hotspot.AbstractHotSpotTruffleRuntime$1.val$firstCallTarget:Lorg/graalvm/compiler/truffle/runtime/OptimizedCallTarget;
            invokevirtual org.graalvm.compiler.truffle.runtime.hotspot.AbstractHotSpotTruffleRuntime.initializeTruffleCompiler:(Lorg/graalvm/compiler/truffle/runtime/OptimizedCallTarget;)V
         2: .line 216
            getstatic org.graalvm.compiler.truffle.runtime.hotspot.AbstractHotSpotTruffleRuntime.$assertionsDisabled:Z
            ifne 3
            aload 0 /* this */
            getfield org.graalvm.compiler.truffle.runtime.hotspot.AbstractHotSpotTruffleRuntime$1.this$0:Lorg/graalvm/compiler/truffle/runtime/hotspot/AbstractHotSpotTruffleRuntime;
            getfield org.graalvm.compiler.truffle.runtime.hotspot.AbstractHotSpotTruffleRuntime.truffleCompilerInitialized:Z
            ifne 3
            aload 0 /* this */
            getfield org.graalvm.compiler.truffle.runtime.hotspot.AbstractHotSpotTruffleRuntime$1.this$0:Lorg/graalvm/compiler/truffle/runtime/hotspot/AbstractHotSpotTruffleRuntime;
            getfield org.graalvm.compiler.truffle.runtime.hotspot.AbstractHotSpotTruffleRuntime.truffleCompilerInitializationException:Ljava/lang/Throwable;
            ifnonnull 3
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         3: .line 217
      StackMap locals: java.lang.Object
      StackMap stack:
            getstatic org.graalvm.compiler.truffle.runtime.hotspot.AbstractHotSpotTruffleRuntime.$assertionsDisabled:Z
            ifne 4
            aload 0 /* this */
            getfield org.graalvm.compiler.truffle.runtime.hotspot.AbstractHotSpotTruffleRuntime$1.this$0:Lorg/graalvm/compiler/truffle/runtime/hotspot/AbstractHotSpotTruffleRuntime;
            getfield org.graalvm.compiler.truffle.runtime.hotspot.AbstractHotSpotTruffleRuntime.initializationTask:Lorg/graalvm/compiler/truffle/runtime/CompilationTask;
            ifnonnull 4
            new java.lang.AssertionError
            dup
            invokespecial java.lang.AssertionError.<init>:()V
            athrow
         4: .line 218
      StackMap locals:
      StackMap stack:
            aload 0 /* this */
            getfield org.graalvm.compiler.truffle.runtime.hotspot.AbstractHotSpotTruffleRuntime$1.this$0:Lorg/graalvm/compiler/truffle/runtime/hotspot/AbstractHotSpotTruffleRuntime;
            aconst_null
            putfield org.graalvm.compiler.truffle.runtime.hotspot.AbstractHotSpotTruffleRuntime.initializationTask:Lorg/graalvm/compiler/truffle/runtime/CompilationTask;
         5: .line 214
            aload 2
            monitorexit
         6: goto 9
      StackMap locals:
      StackMap stack: java.lang.Throwable
         7: aload 2
            monitorexit
         8: athrow
         9: .line 220
      StackMap locals:
      StackMap stack:
            return
        end local 1 // org.graalvm.compiler.truffle.runtime.CompilationTask task
        end local 0 // org.graalvm.compiler.truffle.runtime.hotspot.AbstractHotSpotTruffleRuntime$1 this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0   10     0  this  Lorg/graalvm/compiler/truffle/runtime/hotspot/AbstractHotSpotTruffleRuntime$1;
            0   10     1  task  Lorg/graalvm/compiler/truffle/runtime/CompilationTask;
      Exception table:
        from    to  target  type
           1     6       7  any
           7     8       7  any
    MethodParameters:
      Name  Flags
      task  

  public void accept(java.lang.Object);
    descriptor: (Ljava/lang/Object;)V
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=2, locals=2, args_size=2
         0: .line 1
            aload 0
            aload 1
            checkcast org.graalvm.compiler.truffle.runtime.CompilationTask
            invokevirtual org.graalvm.compiler.truffle.runtime.hotspot.AbstractHotSpotTruffleRuntime$1.accept:(Lorg/graalvm/compiler/truffle/runtime/CompilationTask;)V
            return
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
Signature: Ljava/lang/Object;Ljava/util/function/Consumer<Lorg/graalvm/compiler/truffle/runtime/CompilationTask;>;
SourceFile: "AbstractHotSpotTruffleRuntime.java"
EnclosingMethod: org.graalvm.compiler.truffle.runtime.hotspot.AbstractHotSpotTruffleRuntime.ensureInitialized:(Lorg/graalvm/compiler/truffle/runtime/OptimizedCallTarget;)V
NestHost: org.graalvm.compiler.truffle.runtime.hotspot.AbstractHotSpotTruffleRuntime
InnerClasses:
  org.graalvm.compiler.truffle.runtime.hotspot.AbstractHotSpotTruffleRuntime$1