public static EtagHeader fromHeader(String ifMatch, String ifNoneMatch, String method) {
        Set<String> ifMatchTags = parseIfMatch(StringUtils.strip(ifMatch));
        Set<String> ifNoneMatchTags = parseIfNoneMatch(StringUtils.strip(ifNoneMatch));
        return new EtagHeader(ifMatchTags, ifNoneMatchTags, method);
    }
Constructs etag header instance.

@param ifMatch HTTP header
@param ifNoneMatch HTTP header
storage/src/main/java/com/epam/aidial/core/storage/util/EtagHeader.java