https://www.graalvm.org/ 
class com.oracle.truffle.object.DynamicObjectImpl$Dispatch
  minor version: 0
  major version: 59
  flags: flags: (0x0020) ACC_SUPER
  this_class: com.oracle.truffle.object.DynamicObjectImpl$Dispatch
  super_class: java.lang.Object
{
  void <init>();
    descriptor: ()V
    flags: (0x0000) 
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.object.DynamicObjectImpl$Dispatch this
         0: .line 346
            aload 0 /* this */
            invokespecial java.lang.Object.<init>:()V
            return
        end local 0 // com.oracle.truffle.object.DynamicObjectImpl$Dispatch this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/object/DynamicObjectImpl$Dispatch;

  static java.lang.Class<?> doCachedShape(com.oracle.truffle.object.DynamicObjectImpl, com.oracle.truffle.api.object.Shape, java.lang.Class<? extends com.oracle.truffle.api.object.ObjectType>);
    descriptor: (Lcom/oracle/truffle/object/DynamicObjectImpl;Lcom/oracle/truffle/api/object/Shape;Ljava/lang/Class;)Ljava/lang/Class;
    flags: (0x0008) ACC_STATIC
    Code:
      stack=1, locals=3, args_size=3
        start local 0 // com.oracle.truffle.object.DynamicObjectImpl receiver
        start local 1 // com.oracle.truffle.api.object.Shape cachedShape
        start local 2 // java.lang.Class typeClass
         0: .line 353
            aload 1 /* cachedShape */
            invokevirtual com.oracle.truffle.api.object.Shape.getObjectType:()Lcom/oracle/truffle/api/object/ObjectType;
            invokevirtual com.oracle.truffle.api.object.ObjectType.dispatch:()Ljava/lang/Class;
            areturn
        end local 2 // java.lang.Class typeClass
        end local 1 // com.oracle.truffle.api.object.Shape cachedShape
        end local 0 // com.oracle.truffle.object.DynamicObjectImpl receiver
      LocalVariableTable:
        Start  End  Slot         Name  Signature
            0    1     0     receiver  Lcom/oracle/truffle/object/DynamicObjectImpl;
            0    1     1  cachedShape  Lcom/oracle/truffle/api/object/Shape;
            0    1     2    typeClass  Ljava/lang/Class<+Lcom/oracle/truffle/api/object/ObjectType;>;
    Signature: (Lcom/oracle/truffle/object/DynamicObjectImpl;Lcom/oracle/truffle/api/object/Shape;Ljava/lang/Class<+Lcom/oracle/truffle/api/object/ObjectType;>;)Ljava/lang/Class<*>;
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.dsl.Specialization(limit = "1", guards = {"cachedShape == receiver.getShape()"})
    RuntimeInvisibleParameterAnnotations: 
      0:
      1:
        com.oracle.truffle.api.dsl.Cached$Shared(value = "cachedShape")
        com.oracle.truffle.api.dsl.Cached(value = "receiver.getShape()")
      2:
        com.oracle.truffle.api.dsl.Cached$Shared(value = "cachedTypeClass")
        com.oracle.truffle.api.dsl.Cached(value = "getObjectType(receiver.getShape()).getClass()", allowUncached = true)
    MethodParameters:
             Name  Flags
      receiver     
      cachedShape  
      typeClass    

  static java.lang.Class<?> doCachedTypeClass(com.oracle.truffle.object.DynamicObjectImpl, java.lang.Class<? extends com.oracle.truffle.api.object.ObjectType>);
    descriptor: (Lcom/oracle/truffle/object/DynamicObjectImpl;Ljava/lang/Class;)Ljava/lang/Class;
    flags: (0x0008) ACC_STATIC
    Code:
      stack=2, locals=3, args_size=2
        start local 0 // com.oracle.truffle.object.DynamicObjectImpl receiver
        start local 1 // java.lang.Class typeClass
         0: .line 359
            aload 0 /* receiver */
            invokevirtual com.oracle.truffle.object.DynamicObjectImpl.getShape:()Lcom/oracle/truffle/api/object/Shape;
            invokevirtual com.oracle.truffle.api.object.Shape.getObjectType:()Lcom/oracle/truffle/api/object/ObjectType;
            aload 1 /* typeClass */
            invokestatic com.oracle.truffle.api.CompilerDirectives.castExact:(Ljava/lang/Object;Ljava/lang/Class;)Ljava/lang/Object;
            checkcast com.oracle.truffle.api.object.ObjectType
            astore 2 /* objectType */
        start local 2 // com.oracle.truffle.api.object.ObjectType objectType
         1: .line 360
            aload 2 /* objectType */
            invokevirtual com.oracle.truffle.api.object.ObjectType.dispatch:()Ljava/lang/Class;
            areturn
        end local 2 // com.oracle.truffle.api.object.ObjectType objectType
        end local 1 // java.lang.Class typeClass
        end local 0 // com.oracle.truffle.object.DynamicObjectImpl receiver
      LocalVariableTable:
        Start  End  Slot        Name  Signature
            0    2     0    receiver  Lcom/oracle/truffle/object/DynamicObjectImpl;
            0    2     1   typeClass  Ljava/lang/Class<+Lcom/oracle/truffle/api/object/ObjectType;>;
            1    2     2  objectType  Lcom/oracle/truffle/api/object/ObjectType;
    Signature: (Lcom/oracle/truffle/object/DynamicObjectImpl;Ljava/lang/Class<+Lcom/oracle/truffle/api/object/ObjectType;>;)Ljava/lang/Class<*>;
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.dsl.Specialization(replaces = {"doCachedShape"})
    RuntimeInvisibleParameterAnnotations: 
      0:
      1:
        com.oracle.truffle.api.dsl.Cached$Shared(value = "cachedTypeClass")
        com.oracle.truffle.api.dsl.Cached(value = "getObjectType(receiver.getShape()).getClass()", allowUncached = true)
    MethodParameters:
           Name  Flags
      receiver   
      typeClass  
}
SourceFile: "DynamicObjectImpl.java"
NestHost: com.oracle.truffle.object.DynamicObjectImpl
InnerClasses:
  public abstract Shared = com.oracle.truffle.api.dsl.Cached$Shared of com.oracle.truffle.api.dsl.Cached
  Dispatch = com.oracle.truffle.object.DynamicObjectImpl$Dispatch of com.oracle.truffle.object.DynamicObjectImpl
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.library.ExportMessage()