// negative |   0:0   |   0:1   |   1:0   |   1:1
    // -------- | ------- | ------- | ------- | --------
    //     0    |  TEST   |  TEST   |  SKIP   |    X
    //     1    |  TESTIF |  SKIP   |  TEST   |    X

    // - SKIP: always skip
    // - TEST: always test
    // - TESTIF: only test if checkUnignored
    // - X: that never happen

    // @param {boolean} whether should check if the path is unignored,

n.push(a),n}else{if(u[2])return H.apply(n,e.getElementsByTagName(t)),n;if((i=u[3])&&d.getElementsByClassName&&e.getElementsByClassName)return H.apply(n,e.getElementsByClassName(i)),n}if(d.qsa&&!N[t+" "]&&(!y||!y.test(t))&&(1!==p||"object"!==e.nodeName.toLowerCase())){if(c=t,f=e,1===p&&(U.test(t)||z.test(t))){(f=ee.test(t)&&ve(e.parentNode)||e)===e&&d.scope||((s=e.getAttribute("id"))?s=s.replace(re,ie):e.setAttribute("id",s=E)),o=(l=h(t)).length;while(o--)l[o]=(s?"#"+s:":scope")+" "+xe(l[o]);c=l.join(",")}try{if...

n.push(a),n}else{if(u[2])return H.apply(n,e.getElementsByTagName(t)),n;if((i=u[3])&&d.getElementsByClassName&&e.getElementsByClassName)return H.apply(n,e.getElementsByClassName(i)),n}if(d.qsa&&!N[t+" "]&&(!y||!y.test(t))&&(1!==p||"object"!==e.nodeName.toLowerCase())){if(c=t,f=e,1===p&&(U.test(t)||z.test(t))){(f=ee.test(t)&&ve(e.parentNode)||e)===e&&d.scope||((s=e.getAttribute("id"))?s=s.replace(re,ie):e.setAttribute("id",s=E)),o=(l=h(t)).length;while(o--)l[o]=(s?"#"+s:":scope")+" "+xe(l[o]);c=l.join(",")}try{if...

    if (checksPart.length === 2) {
        const checks = checksPart[1].split(' ');
        const namePattern = /^[a-zA-Z_]+$/;
        return checks.filter(check => namePattern.test(check));
    } else {
        return [];
    }
}