function checkAbort(oRequest, oWrappedBatchRequestHandle) {
			for (var i = 0; i < oRequest.parts.length; i++) {
				var oPart = oRequest.parts[i];
				if (oPart.request._aborted) {
					that._processAborted(oRequest.request, null);
					oRequest.parts.splice(i,1);
					i--;
				} else if (oWrappedBatchRequestHandle){
					oPart.request._handle = oWrappedBatchRequestHandle;
					oWrappedBatchRequestHandle.iRelevantRequests++;
				}
			}
		}
Request queue processing.

@param {map} mRequests Request queue
@param {string} sGroupId ID of a request group; requests belonging to the same group will be bundled in one batch request
@param {function} fnSuccess Success callback function
@param {function} fnError Error callback function
@param {string} [mChangeHeaders]
  The map of headers to add to each change request within the $batch requests created
@returns {object|array} oRequestHandle The request handle: array if multiple requests are sent
@private