https://www.graalvm.org/ 
abstract class com.oracle.truffle.nfi.ConvertTypeNode$ConvertToNativeNode extends com.oracle.truffle.nfi.ConvertTypeNode$ConvertTypeImplNode
  minor version: 0
  major version: 59
  flags: flags: (0x0420) ACC_SUPER, ACC_ABSTRACT
  this_class: com.oracle.truffle.nfi.ConvertTypeNode$ConvertToNativeNode
  super_class: com.oracle.truffle.nfi.ConvertTypeNode$ConvertTypeImplNode
{
  void <init>();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.nfi.ConvertTypeNode$ConvertToNativeNode this
         0: .line 93
            aload 0 /* this */
            invokespecial com.oracle.truffle.nfi.ConvertTypeNode$ConvertTypeImplNode.<init>:()V
            return
        end local 0 // com.oracle.truffle.nfi.ConvertTypeNode$ConvertToNativeNode this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/nfi/ConvertTypeNode$ConvertToNativeNode;

  java.lang.Object doConvert(com.oracle.truffle.nfi.NFIType$TypeCachedState, com.oracle.truffle.nfi.NFIType, java.lang.Object, com.oracle.truffle.nfi.NFITypeLibrary);
    descriptor: (Lcom/oracle/truffle/nfi/NFIType$TypeCachedState;Lcom/oracle/truffle/nfi/NFIType;Ljava/lang/Object;Lcom/oracle/truffle/nfi/NFITypeLibrary;)Ljava/lang/Object;
    flags: (0x0000) 
    Code:
      stack=4, locals=5, args_size=5
        start local 0 // com.oracle.truffle.nfi.ConvertTypeNode$ConvertToNativeNode this
        start local 1 // com.oracle.truffle.nfi.NFIType$TypeCachedState typeState
        start local 2 // com.oracle.truffle.nfi.NFIType type
        start local 3 // java.lang.Object value
        start local 4 // com.oracle.truffle.nfi.NFITypeLibrary library
         0: .line 98
            aload 4 /* library */
            aload 1 /* typeState */
            aload 2 /* type */
            aload 3 /* value */
            invokevirtual com.oracle.truffle.nfi.NFITypeLibrary.convertToNative:(Lcom/oracle/truffle/nfi/NFIType$TypeCachedState;Lcom/oracle/truffle/nfi/NFIType;Ljava/lang/Object;)Ljava/lang/Object;
            areturn
        end local 4 // com.oracle.truffle.nfi.NFITypeLibrary library
        end local 3 // java.lang.Object value
        end local 2 // com.oracle.truffle.nfi.NFIType type
        end local 1 // com.oracle.truffle.nfi.NFIType$TypeCachedState typeState
        end local 0 // com.oracle.truffle.nfi.ConvertTypeNode$ConvertToNativeNode this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    1     0       this  Lcom/oracle/truffle/nfi/ConvertTypeNode$ConvertToNativeNode;
            0    1     1  typeState  Lcom/oracle/truffle/nfi/NFIType$TypeCachedState;
            0    1     2       type  Lcom/oracle/truffle/nfi/NFIType;
            0    1     3      value  Ljava/lang/Object;
            0    1     4    library  Lcom/oracle/truffle/nfi/NFITypeLibrary;
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.dsl.Specialization(limit = "3")
    RuntimeInvisibleParameterAnnotations: 
      0:
      1:
      2:
      3:
        com.oracle.truffle.api.library.CachedLibrary(value = "typeState")
    MethodParameters:
           Name  Flags
      typeState  
      type       
      value      
      library    
}
SourceFile: "ConvertTypeNode.java"
NestHost: com.oracle.truffle.nfi.ConvertTypeNode
InnerClasses:
  abstract ConvertToNativeNode = com.oracle.truffle.nfi.ConvertTypeNode$ConvertToNativeNode of com.oracle.truffle.nfi.ConvertTypeNode
  abstract ConvertTypeImplNode = com.oracle.truffle.nfi.ConvertTypeNode$ConvertTypeImplNode of com.oracle.truffle.nfi.ConvertTypeNode
  abstract TypeCachedState = com.oracle.truffle.nfi.NFIType$TypeCachedState of com.oracle.truffle.nfi.NFIType
    RuntimeInvisibleAnnotations: 
      com.oracle.truffle.api.dsl.GenerateUncached()