public static String getExactlyValue(final String value) {
        return null == value ? null : tryGetRealContentInBackticks(CharMatcher.anyOf(EXCLUDED_CHARACTERS).removeFrom(value));
    }
@Test
    void assertGetExactlyValue() {
        assertThat(SQLUtils.getExactlyValue("`xxx`"), is("xxx"));
        assertThat(SQLUtils.getExactlyValue("[xxx]"), is("xxx"));
        assertThat(SQLUtils.getExactlyValue("\"xxx\""), is("xxx"));
        assertThat(SQLUtils.getExactlyValue("'xxx'"), is("xxx"));
        assertThat(SQLUtils.getExactlyValue("`[xxx`"), is("xxx"));
        assertThat(SQLUtils.getExactlyValue("```[xxx```"), is("`xxx`"));
    }