function _getBoundEntityTypeFromV4Model(oModel, sBindingPath) {
		var oMetaModel = oModel.getMetaModel();
		var sMetaPath = oMetaModel.getMetaPath(sBindingPath);

		return oMetaModel.requestObject(sMetaPath).then(function(oEntitySet) {
			return _extractName(oEntitySet.$Type);
		});
	}
Get bound entity type in case of oData v4 model

@private
@param {sap.ui.model.odata.v4.ODataModel} oModel - oData model
@param {string} sBindingPath - binding path of control
@returns {Promise<string>} Resolves with the entity type name to which the control is bound or <code>null</code>