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