loadContextDescriptions(mPropertyBag) {
			mPropertyBag.method = "POST";
			mPropertyBag.isContextSharing = true;
			return _doWrite(mPropertyBag).then(function(oResult) {
				return oResult.response;
			});
		}
Loads the variant management context description in the correct language based on the browser configuration.

@param {object} mPropertyBag Property bag
@param {string} mPropertyBag.flexObjects Payload for the post request
@returns {Promise<object>} Promise resolves as soon as context descriptions have been retrieved