loadContextDescriptions(/* mPropertyBag */) {
			return Promise.reject("loadContextDescriptions is not implemented");
		}
Interface to retrieve 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 has been retrieved