https://www.graalvm.org/ 
public interface org.graalvm.compiler.graph.Graph$DuplicationReplacement
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: org.graalvm.compiler.graph.Graph$DuplicationReplacement
  super_class: java.lang.Object
{
  public abstract org.graalvm.compiler.graph.Node replacement(org.graalvm.compiler.graph.Node);
    descriptor: (Lorg/graalvm/compiler/graph/Node;)Lorg/graalvm/compiler/graph/Node;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
          Name  Flags
      original  
}
SourceFile: "Graph.java"
NestHost: org.graalvm.compiler.graph.Graph
InnerClasses:
  public abstract DuplicationReplacement = org.graalvm.compiler.graph.Graph$DuplicationReplacement of org.graalvm.compiler.graph.Graph