https://www.graalvm.org/ 
final class com.oracle.truffle.polyglot.HostMethodDesc$SingleMethod$ConstructorReflectImpl extends com.oracle.truffle.polyglot.HostMethodDesc$SingleMethod$ReflectBase
  minor version: 0
  major version: 59
  flags: flags: (0x0030) ACC_FINAL, ACC_SUPER
  this_class: com.oracle.truffle.polyglot.HostMethodDesc$SingleMethod$ConstructorReflectImpl
  super_class: com.oracle.truffle.polyglot.HostMethodDesc$SingleMethod$ReflectBase
{
  private final java.lang.reflect.Constructor<?> reflectionConstructor;
    descriptor: Ljava/lang/reflect/Constructor;
    flags: (0x0012) ACC_PRIVATE, ACC_FINAL
    Signature: Ljava/lang/reflect/Constructor<*>;

  void <init>(java.lang.reflect.Constructor<?>);
    descriptor: (Ljava/lang/reflect/Constructor;)V
    flags: (0x0000) 
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // com.oracle.truffle.polyglot.HostMethodDesc$SingleMethod$ConstructorReflectImpl this
        start local 1 // java.lang.reflect.Constructor reflectionConstructor
         0: .line 239
            aload 0 /* this */
            aload 1 /* reflectionConstructor */
            invokespecial com.oracle.truffle.polyglot.HostMethodDesc$SingleMethod$ReflectBase.<init>:(Ljava/lang/reflect/Executable;)V
         1: .line 240
            aload 0 /* this */
            aload 1 /* reflectionConstructor */
            putfield com.oracle.truffle.polyglot.HostMethodDesc$SingleMethod$ConstructorReflectImpl.reflectionConstructor:Ljava/lang/reflect/Constructor;
         2: .line 241
            return
        end local 1 // java.lang.reflect.Constructor reflectionConstructor
        end local 0 // com.oracle.truffle.polyglot.HostMethodDesc$SingleMethod$ConstructorReflectImpl this
      LocalVariableTable:
        Start  End  Slot                   Name  Signature
            0    3     0                   this  Lcom/oracle/truffle/polyglot/HostMethodDesc$SingleMethod$ConstructorReflectImpl;
            0    3     1  reflectionConstructor  Ljava/lang/reflect/Constructor<*>;
    Signature: (Ljava/lang/reflect/Constructor<*>;)V
    MethodParameters:
                       Name  Flags
      reflectionConstructor  

  public java.lang.reflect.Constructor<?> getReflectionMethod();
    descriptor: ()Ljava/lang/reflect/Constructor;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.polyglot.HostMethodDesc$SingleMethod$ConstructorReflectImpl this
         0: .line 245
            invokestatic com.oracle.truffle.api.CompilerAsserts.neverPartOfCompilation:()V
         1: .line 246
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.HostMethodDesc$SingleMethod$ConstructorReflectImpl.reflectionConstructor:Ljava/lang/reflect/Constructor;
            areturn
        end local 0 // com.oracle.truffle.polyglot.HostMethodDesc$SingleMethod$ConstructorReflectImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    2     0  this  Lcom/oracle/truffle/polyglot/HostMethodDesc$SingleMethod$ConstructorReflectImpl;
    Signature: ()Ljava/lang/reflect/Constructor<*>;

  public java.lang.Object invoke(java.lang.Object, java.lang.Object[]);
    descriptor: (Ljava/lang/Object;[Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=2, locals=4, args_size=3
        start local 0 // com.oracle.truffle.polyglot.HostMethodDesc$SingleMethod$ConstructorReflectImpl this
        start local 1 // java.lang.Object receiver
        start local 2 // java.lang.Object[] arguments
         0: .line 252
            aload 0 /* this */
            getfield com.oracle.truffle.polyglot.HostMethodDesc$SingleMethod$ConstructorReflectImpl.reflectionConstructor:Ljava/lang/reflect/Constructor;
            aload 2 /* arguments */
            invokestatic com.oracle.truffle.polyglot.HostMethodDesc$SingleMethod$ConstructorReflectImpl.reflectNewInstance:(Ljava/lang/reflect/Constructor;[Ljava/lang/Object;)Ljava/lang/Object;
         1: areturn
         2: .line 253
      StackMap locals:
      StackMap stack: java.lang.Exception
            astore 3 /* ex */
        start local 3 // java.lang.Exception ex
         3: .line 254
            aload 2 /* arguments */
            aload 3 /* ex */
            invokestatic com.oracle.truffle.polyglot.HostInteropErrors.unsupportedTypeException:([Ljava/lang/Object;Ljava/lang/Throwable;)Lcom/oracle/truffle/api/interop/UnsupportedTypeException;
            athrow
        end local 3 // java.lang.Exception ex
         4: .line 255
      StackMap locals:
      StackMap stack: java.lang.reflect.InvocationTargetException
            astore 3 /* e */
        start local 3 // java.lang.reflect.InvocationTargetException e
         5: .line 256
            aload 3 /* e */
            invokevirtual java.lang.reflect.InvocationTargetException.getCause:()Ljava/lang/Throwable;
            athrow
        end local 3 // java.lang.reflect.InvocationTargetException e
        end local 2 // java.lang.Object[] arguments
        end local 1 // java.lang.Object receiver
        end local 0 // com.oracle.truffle.polyglot.HostMethodDesc$SingleMethod$ConstructorReflectImpl this
      LocalVariableTable:
        Start  End  Slot       Name  Signature
            0    6     0       this  Lcom/oracle/truffle/polyglot/HostMethodDesc$SingleMethod$ConstructorReflectImpl;
            0    6     1   receiver  Ljava/lang/Object;
            0    6     2  arguments  [Ljava/lang/Object;
            3    4     3         ex  Ljava/lang/Exception;
            5    6     3          e  Ljava/lang/reflect/InvocationTargetException;
      Exception table:
        from    to  target  type
           0     1       2  Class java.lang.IllegalArgumentException
           0     1       2  Class java.lang.IllegalAccessException
           0     1       2  Class java.lang.InstantiationException
           0     1       4  Class java.lang.reflect.InvocationTargetException
    Exceptions:
      throws java.lang.Throwable
    MethodParameters:
           Name  Flags
      receiver   
      arguments  

  private static  reflectNewInstance(java.lang.reflect.Constructor<?>, []);
    descriptor: (Ljava/lang/reflect/Constructor;[Ljava/lang/Object;)Ljava/lang/Object;
    flags: (0x000a) ACC_PRIVATE, ACC_STATIC
    Code:
      stack=2, locals=2, args_size=2
        start local 0 // java.lang.reflect.Constructor reflectionConstructor
        start local 1 // java.lang.Object[] arguments
         0: .line 263
            aload 0 /* reflectionConstructor */
            aload 1 /* arguments */
            invokevirtual java.lang.reflect.Constructor.newInstance:([Ljava/lang/Object;)Ljava/lang/Object;
            areturn
        end local 1 // java.lang.Object[] arguments
        end local 0 // java.lang.reflect.Constructor reflectionConstructor
      LocalVariableTable:
        Start  End  Slot                   Name  Signature
            0    1     0  reflectionConstructor  Ljava/lang/reflect/Constructor<*>;
            0    1     1              arguments  [Ljava/lang/Object;
    Exceptions:
      throws java.lang.InstantiationException, java.lang.IllegalAccessException, java.lang.IllegalArgumentException, java.lang.reflect.InvocationTargetException
    Signature: (Ljava/lang/reflect/Constructor<*>;[Ljava/lang/Object;)Ljava/lang/Object;
    RuntimeVisibleAnnotations: 
      com.oracle.truffle.api.CompilerDirectives$TruffleBoundary()
    MethodParameters:
                       Name  Flags
      reflectionConstructor  
      arguments              

  public java.lang.Class<?> getReturnType();
    descriptor: ()Ljava/lang/Class;
    flags: (0x0001) ACC_PUBLIC
    Code:
      stack=1, locals=1, args_size=1
        start local 0 // com.oracle.truffle.polyglot.HostMethodDesc$SingleMethod$ConstructorReflectImpl this
         0: .line 268
            aload 0 /* this */
            invokevirtual com.oracle.truffle.polyglot.HostMethodDesc$SingleMethod$ConstructorReflectImpl.getReflectionMethod:()Ljava/lang/reflect/Constructor;
            invokevirtual java.lang.reflect.Constructor.getDeclaringClass:()Ljava/lang/Class;
            areturn
        end local 0 // com.oracle.truffle.polyglot.HostMethodDesc$SingleMethod$ConstructorReflectImpl this
      LocalVariableTable:
        Start  End  Slot  Name  Signature
            0    1     0  this  Lcom/oracle/truffle/polyglot/HostMethodDesc$SingleMethod$ConstructorReflectImpl;
    Signature: ()Ljava/lang/Class<*>;

  public java.lang.reflect.Executable getReflectionMethod();
    descriptor: ()Ljava/lang/reflect/Executable;
    flags: (0x1041) ACC_PUBLIC, ACC_BRIDGE, ACC_SYNTHETIC
    Code:
      stack=1, locals=1, args_size=1
         0: .line 1
            aload 0
            invokevirtual com.oracle.truffle.polyglot.HostMethodDesc$SingleMethod$ConstructorReflectImpl.getReflectionMethod:()Ljava/lang/reflect/Constructor;
            areturn
      LocalVariableTable:
        Start  End  Slot  Name  Signature
}
SourceFile: "HostMethodDesc.java"
NestHost: com.oracle.truffle.polyglot.HostMethodDesc
InnerClasses:
  public abstract TruffleBoundary = com.oracle.truffle.api.CompilerDirectives$TruffleBoundary of com.oracle.truffle.api.CompilerDirectives
  abstract SingleMethod = com.oracle.truffle.polyglot.HostMethodDesc$SingleMethod of com.oracle.truffle.polyglot.HostMethodDesc
  private final ConstructorReflectImpl = com.oracle.truffle.polyglot.HostMethodDesc$SingleMethod$ConstructorReflectImpl of com.oracle.truffle.polyglot.HostMethodDesc$SingleMethod
  abstract ReflectBase = com.oracle.truffle.polyglot.HostMethodDesc$SingleMethod$ReflectBase of com.oracle.truffle.polyglot.HostMethodDesc$SingleMethod