public String[] ex_q;

    /** The similar document hash. */
    public String sdh;

    @Override
    public String getQuery() {
        return q;
    }

    @Override
    public String[] getExtraQueries() {
        return stream(ex_q).get(stream -> stream.filter(StringUtil::isNotBlank).distinct().toArray(n -> new String[n]));
    }

    @Override
    public Map<String, String[]> getFields() {
        return fields;

            }
        }
        return num;
    }

    @Override
    public String getQuery() {
        return q;
    }

    @Override
    public String[] getExtraQueries() {
        return stream(ex_q).get(stream -> stream.filter(StringUtil::isNotBlank).distinct().toArray(n -> new String[n]));
    }

    @Override
    public Map<String, String[]> getFields() {

     * @return The offset.
     */
    public abstract int getOffset();

    /**
     * Returns the extra queries.
     *
     * @return The extra queries.
     */
    public abstract String[] getExtraQueries();

    /**
     * Returns the attribute.
     *
     * @param name The name of the attribute.
     * @return The attribute.
     */
    public abstract Object getAttribute(String name);