getStatePropertiesToPoll() {
        const properties = [
            {
                siid: MIOT_SERVICES.VACUUM_2.SIID,
                piid: MIOT_SERVICES.VACUUM_2.PROPERTIES.MODE.PIID
            },
            {
                siid: MIOT_SERVICES.VACUUM_2.SIID,
                piid: MIOT_SERVICES.VACUUM_2.PROPERTIES.TASK_STATUS.PIID
            },
            {
                siid: MIOT_SERVICES.VACUUM_2.SIID,
                piid: MIOT_SERVICES.VACUUM_2.PROPERTIES.FAN_SPEED.PIID
            },
            {
                siid: MIOT_SERVICES.VACUUM_2.SIID,
                piid: MIOT_SERVICES.VACUUM_2.PROPERTIES.WATER_TANK_ATTACHMENT.PIID
            },
            {
                siid: MIOT_SERVICES.VACUUM_2.SIID,
                piid: MIOT_SERVICES.VACUUM_2.PROPERTIES.ERROR_CODE.PIID
            },
            {
                siid: MIOT_SERVICES.BATTERY.SIID,
                piid: MIOT_SERVICES.BATTERY.PROPERTIES.LEVEL.PIID
            },
            {
                siid: MIOT_SERVICES.BATTERY.SIID,
                piid: MIOT_SERVICES.BATTERY.PROPERTIES.CHARGING.PIID
            }
        ];

        if (this.highResolutionWaterGrades) {
            properties.push({
                siid: MIOT_SERVICES.MOP_EXPANSION.SIID,
                piid: MIOT_SERVICES.MOP_EXPANSION.PROPERTIES.HIGH_RES_WATER_USAGE.PIID
            });
        } else {
            properties.push({
                siid: MIOT_SERVICES.VACUUM_2.SIID,
                piid: MIOT_SERVICES.VACUUM_2.PROPERTIES.WATER_USAGE.PIID
            });
        }

        return properties;
    }
May be extended by children

@return {Array<{piid: number, siid: number}>}