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. 
public interface org.graalvm.nativeimage.PinnedObject extends java.lang.AutoCloseable
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.graalvm.nativeimage.PinnedObject
  super_class: java.lang.Object
{
  public static org.graalvm.nativeimage.PinnedObject create(java.lang.Object);
    descriptor: (Ljava/lang/Object;)Lorg/graalvm/nativeimage/PinnedObject;
    flags: (0x0009) ACC_PUBLIC, ACC_STATIC
    Code:
      stack=2, locals=1, args_size=1
        start local 0 // java.lang.Object object
         0: .line 72
            ldc Lorg/graalvm/nativeimage/impl/PinnedObjectSupport;
            invokestatic org.graalvm.nativeimage.ImageSingletons.lookup:(Ljava/lang/Class;)Ljava/lang/Object;
            checkcast org.graalvm.nativeimage.impl.PinnedObjectSupport
            aload 0 /* object */
            invokeinterface org.graalvm.nativeimage.impl.PinnedObjectSupport.create:(Ljava/lang/Object;)Lorg/graalvm/nativeimage/PinnedObject;
            areturn
        end local 0 // java.lang.Object object
      LocalVariableTable:
        Start  End  Slot    Name  Signature
            0    1     0  object  Ljava/lang/Object;
    MethodParameters:
        Name  Flags
      object  

  public abstract void close();
    descriptor: ()V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract java.lang.Object getObject();
    descriptor: ()Ljava/lang/Object;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract org.graalvm.word.PointerBase addressOfObject();
    descriptor: ()Lorg/graalvm/word/PointerBase;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT

  public abstract <T extends org.graalvm.word.PointerBase> T addressOfArrayElement();
    descriptor: (I)Lorg/graalvm/word/PointerBase;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    Signature: <T::Lorg/graalvm/word/PointerBase;>(I)TT;
    MethodParameters:
       Name  Flags
      index  
}
SourceFile: "PinnedObject.java"