class BaseWithTypeVar<T> {}
    class Outer<O> {
      class Sub<X> extends BaseWithTypeVar<List<X>> {}

      class Sub2<Y extends Sub2<Y>> extends BaseWithTypeVar<List<Y>> {}
    }
    ParameterizedType subtype =
        (ParameterizedType)
            new TypeToken<BaseWithTypeVar<List<?>>>() {}.getSubtype(Outer.Sub.class).getType();
    assertEquals(Outer.Sub.class, subtype.getRawType());

	const maxNanoSecondDigits = 9

	// Split string into seconds and sub-seconds parts.
	ss, sn, _ := strings.Cut(s, ".")

	// Parse the seconds.
	secs, err := strconv.ParseInt(ss, 10, 64)
	if err != nil {
		return time.Time{}, ErrHeader
	}
	if len(sn) == 0 {
		return time.Unix(secs, 0), nil // No sub-second values
	}

	// Parse the nanoseconds.

    class BaseWithTypeVar<T> {}
    class Outer<O> {
      class Sub<X> extends BaseWithTypeVar<List<X>> {}

      class Sub2<Y extends Sub2<Y>> extends BaseWithTypeVar<List<Y>> {}
    }
    ParameterizedType subtype =
        (ParameterizedType)
            new TypeToken<BaseWithTypeVar<List<?>>>() {}.getSubtype(Outer.Sub.class).getType();
    assertEquals(Outer.Sub.class, subtype.getRawType());

	MOVW	R4, R5			// 85001700
	MOVWU	R4, R5			// 8500df00
	MOVV	R4, R5			// 85001500
	MOVBU	R4, R5			// 85fc4303
	SUB	R4, R5, R6		// a6101100
	SUBV	R4, R5, R6		// a6901100
	ADD	R4, R5, R6		// a6101000
	ADDV	R4, R5, R6		// a6901000
	AND	R4, R5, R6		// a6901400
	SUB	R4, R5			// a5101100
	SUBV	R4, R5			// a5901100
	ADD	R4, R5			// a5101000
	ADDV	R4, R5			// a5901000
	AND	R4, R5			// a5901400
	NEGW	R4, R5			// 05101100