code: public ServiceFuture<InputStream> getFromComputeNodeAsync(String poolId, String nodeId, String filePath, final ServiceCallback<InputStream> serviceCallback) {
          return ServiceFuture.fromHeaderResponse(getFromComputeNodeWithServiceResponseAsync(poolId, nodeId, filePath), serviceCallback);
      }
docs: Returns the content of the specified compute node file.
  
  @param poolId The ID of the pool that contains the compute node.
  @param nodeId The ID of the compute node that contains the file.
  @param filePath The path to the compute node file that you want to get the content of.
  @param serviceCallback the async ServiceCallback to handle successful and failed responses.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the {@link ServiceFuture} object