public MethodBuilder onthrowMethod(String onthrowMethod) {
        this.onthrowMethod = onthrowMethod;
        return getThis();
    }
@Test
    void onthrowMethod() {
        MethodBuilder builder = MethodBuilder.newBuilder();
        builder.onthrowMethod("on-throw-method");
        Assertions.assertEquals("on-throw-method", builder.build().getOnthrowMethod());
    }