async getSeenFeatureIds(mPropertyBag) {
			const mParameters = {};
			InitialConnector._addClientInfo(mParameters);
			const sUrl = InitialUtils.getUrl(ROUTES.SEEN_FEATURES, mPropertyBag, mParameters);
			const oResult = await InitialUtils.sendRequest(sUrl, "GET", {initialConnector: InitialConnector});
			// The ABAP backend returns an empty string if no seen feature ids are available instead of { seenFeatureIds: [] }
			return oResult.response?.seenFeatureIds || [];
		}
Gets the seen feature ids from the LRep backend.

@param {object} mPropertyBag Property bag
@returns {Promise<string[]>} Promise resolves with an array of the seen feature ids