https://openjdk.java.net/ 
public interface org.graalvm.compiler.nodes.spi.Virtualizable
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.graalvm.compiler.nodes.spi.Virtualizable
  super_class: java.lang.Object
{
  public abstract void virtualize(org.graalvm.compiler.nodes.spi.VirtualizerTool);
    descriptor: (Lorg/graalvm/compiler/nodes/spi/VirtualizerTool;)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
      Name  Flags
      tool  
}
SourceFile: "Virtualizable.java"