https://www.graalvm.org/ 
public class com.oracle.svm.truffle.nfi.libffi.LibFFI$NoTransitions
  minor version: 0
  major version: 59
  flags: flags: (0x0021) ACC_PUBLIC, ACC_SUPER
  this_class: com.oracle.svm.truffle.nfi.libffi.LibFFI$NoTransitions
  super_class: java.lang.Object
{
  public static native void ffi_call(com.oracle.svm.truffle.nfi.libffi.LibFFI$ffi_cif, org.graalvm.word.PointerBase, org.graalvm.word.PointerBase, org.graalvm.nativeimage.c.type.WordPointer);
    descriptor: (Lcom/oracle/svm/truffle/nfi/libffi/LibFFI$ffi_cif;Lorg/graalvm/word/PointerBase;Lorg/graalvm/word/PointerBase;Lorg/graalvm/nativeimage/c/type/WordPointer;)V
    flags: (0x0109) ACC_PUBLIC, ACC_STATIC, ACC_NATIVE
    RuntimeVisibleAnnotations: 
      org.graalvm.nativeimage.c.function.CFunction(transition = org.graalvm.nativeimage.c.function.CFunction$Transition.NO_TRANSITION:Lorg/graalvm/nativeimage/c/function/CFunction$Transition;)
    MethodParameters:
        Name  Flags
      cif     
      fn      
      rvalue  
      avalue  

  private void <init>();
    descriptor: ()V
    flags: (0x0002) ACC_PRIVATE
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.svm.truffle.nfi.libffi.LibFFI$NoTransitions this
         0: .line 110
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
         1: .line 111
            return
        end local 0 // com.oracle.svm.truffle.nfi.libffi.LibFFI$NoTransitions this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/oracle/svm/truffle/nfi/libffi/LibFFI$NoTransitions;
}
SourceFile: "LibFFI.java"
NestHost: com.oracle.svm.truffle.nfi.libffi.LibFFI
InnerClasses:
  public NoTransitions = com.oracle.svm.truffle.nfi.libffi.LibFFI$NoTransitions of com.oracle.svm.truffle.nfi.libffi.LibFFI
  public abstract ffi_cif = com.oracle.svm.truffle.nfi.libffi.LibFFI$ffi_cif of com.oracle.svm.truffle.nfi.libffi.LibFFI
  public final Transition = org.graalvm.nativeimage.c.function.CFunction$Transition of org.graalvm.nativeimage.c.function.CFunction