assertArgumentNotNull("options", options);

        final T dest = ClassUtil.newInstance(destClass);
        copyMapToMap(src, dest, options);
        return dest;
    }

    protected static CopyOptions buildCopyOptions(final Consumer<CopyOptions> option) {
        final CopyOptions copyOptions = new CopyOptions();
        option.accept(copyOptions);
        return copyOptions;
    }

        assertThat(option.prefix, is("search_"));
    }

    /**
     * @throws Exception
     */
    @Test
    public void testBeanDelimiter() throws Exception {
        final CopyOptions option = new CopyOptions();
        assertThat(option.beanDelimiter('#'), is(sameInstance(option)));
        assertThat(option.beanDelimiter, is('#'));
    }

    /**