public StringClauses prepend(String key, String clause) {
        return prependImpl(key, StringUtil.trimToEmpty(clause));
    }
public StringClauses prepend(String key, String clause) {
        return prependImpl(key, StringUtil.trimToEmpty(clause));
    }
public StringClauses prepend ( String key , String clause ) { return prependImpl ( key , StringUtil . trimToEmpty ( clause ) ) ; }
Adds a clause with the given key to the beginning of the list.
Adds a clause with the given key to the beginning of the list .