convertToChangeTransportData(aLocalChanges, aAppVariantDescriptors) {
			var aTransportData = [];
			var i;

			if (aAppVariantDescriptors && aAppVariantDescriptors.length) {
				for (i = 0; i < aAppVariantDescriptors.length; i++) {
					var oAppVariantDescriptor = aAppVariantDescriptors[i];
					var oPreparedData = {};
					oPreparedData.namespace = oAppVariantDescriptor.getNamespace();
					oPreparedData.fileName = oAppVariantDescriptor.getDefinition().fileName;
					oPreparedData.fileType = oAppVariantDescriptor.getDefinition().fileType;
					aTransportData.push(oPreparedData);
				}
			}

			var len = aLocalChanges.length;
			for (i = 0; i < len; i++) {
				var oCurrentChange = aLocalChanges[i];
				var oData = {};
				oData.namespace = oCurrentChange.getNamespace();
				oData.fileName = oCurrentChange.getId();
				oData.fileType = oCurrentChange.getFileType();
				aTransportData.push(oData);
			}
			return aTransportData;
		}
Get list of changes which should be added to a transport

@param {Array} aLocalChanges List of changes which data have to be extracted
@param {Array} [aAppVariantDescriptors] List of app variant descriptors which data have to be extracted
@returns {Array} Returns an array of object containing all required data to transport the existing local changes

@private
@ui5-restricted sap.ui.fl.write._internal.transport