https://www.graalvm.org/ 
public interface com.oracle.truffle.nfi.spi.NFIBackend
  minor version: 0
  major version: 59
  flags: flags: (0x0601) ACC_PUBLIC, ACC_INTERFACE, ACC_ABSTRACT
  this_class: com.oracle.truffle.nfi.spi.NFIBackend
  super_class: java.lang.Object
{
  public abstract com.oracle.truffle.api.CallTarget parse(com.oracle.truffle.nfi.spi.types.NativeLibraryDescriptor);
    descriptor: (Lcom/oracle/truffle/nfi/spi/types/NativeLibraryDescriptor;)Lcom/oracle/truffle/api/CallTarget;
    flags: (0x0401) ACC_PUBLIC, ACC_ABSTRACT
    MethodParameters:
            Name  Flags
      descriptor  
}
SourceFile: "NFIBackend.java"