public static boolean isValidScopeItem(String scopeItem) {
        return INDIVIDUAL_SCOPE_ITEM_PATTERN.matcher(Objects.requireNonNull(scopeItem)).matches();
    }
Return true if the given value meets the definition of a valid scope item as
per <a href="https://tools.ietf.org/html/rfc6749#section-3.3">RFC 6749
Section 3.3</a>, otherwise false

@param scopeItem
           the mandatory scope item to check for validity
@return true if the given value meets the definition of a valid scope item,
        otherwise false
clients/src/main/java/org/apache/kafka/common/security/oauthbearer/internals/unsecured/OAuthBearerScopeUtils.java