return this.headerFields;
        }
        handshake();
        return getHeaderFields0();
    }

    @Override
    public int getHeaderFieldInt(final String header, final int def) {
        handshake();
        return this.connection.getHeaderFieldInt(header, def);
    }

    @Override
    public long getHeaderFieldDate(final String header, final long def) {
        handshake();