https://www.graalvm.org/ 
public interface com.oracle.svm.hosted.code.HostedPatcher
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: com.oracle.svm.hosted.code.HostedPatcher
  super_class: java.lang.Object
{
  public abstract void relocate(jdk.vm.ci.code.site.Reference, com.oracle.svm.hosted.image.RelocatableBuffer, int);
    descriptor: (Ljdk/vm/ci/code/site/Reference;Lcom/oracle/svm/hosted/image/RelocatableBuffer;I)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
           Name  Flags
      ref        
      relocs     
      compStart  

  public abstract void patch(int, int, byte[]);
    descriptor: (II[B)V
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
          Name  Flags
      codePos   
      relative  
      code      
}
SourceFile: "HostedPatcher.java"