https://github.com/oracle/graal: GraalVM is an ecosystem for compiling and running applications written in multiple languages. GraalVM removes the isolation between programming languages and enables interoperability in a shared runtime. 
class org.graalvm.polyglot.management.Management$ManagementAccessImpl extends org.graalvm.polyglot.impl.AbstractPolyglotImpl$ManagementAccess
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: org.graalvm.polyglot.management.Management$ManagementAccessImpl
  super_class: org.graalvm.polyglot.impl.AbstractPolyglotImpl$ManagementAccess
{
  private void <init>();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // org.graalvm.polyglot.management.Management$ManagementAccessImpl this
         0: .line 72
            aload 0 /* this */
            invokespecial org.graalvm.polyglot.impl.AbstractPolyglotImpl$ManagementAccess.<init>:()V
            return
        end local 0 // org.graalvm.polyglot.management.Management$ManagementAccessImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lorg/graalvm/polyglot/management/Management$ManagementAccessImpl;

  public org.graalvm.polyglot.management.ExecutionEvent newExecutionEvent(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Lorg/graalvm/polyglot/management/ExecutionEvent;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=3, locals=2, args_size=2
        start local 0 // org.graalvm.polyglot.management.Management$ManagementAccessImpl this
        start local 1 // java.lang.Object event
         0: .line 75
            new org.graalvm.polyglot.management.ExecutionEvent
            dup
            aload 1 /* event */
            invokespecial org.graalvm.polyglot.management.ExecutionEvent.<init>:(Ljava/lang/Object;)V
            areturn
        end local 1 // java.lang.Object event
        end local 0 // org.graalvm.polyglot.management.Management$ManagementAccessImpl this
      LocalVariableTable:
        Start  End  Slot   Name  Signature
            0    1     0   this  Lorg/graalvm/polyglot/management/Management$ManagementAccessImpl;
            0    1     1  event  Ljava/lang/Object;
    MethodParameters:
       Name  Flags
      event  
}
SourceFile: "Management.java"
NestHost: org.graalvm.polyglot.management.Management
InnerClasses:
  public abstract ManagementAccess = org.graalvm.polyglot.impl.AbstractPolyglotImpl$ManagementAccess of org.graalvm.polyglot.impl.AbstractPolyglotImpl
  private ManagementAccessImpl = org.graalvm.polyglot.management.Management$ManagementAccessImpl of org.graalvm.polyglot.management.Management