code: public StreamingJobInner beginCreateOrReplace(String resourceGroupName, String jobName, StreamingJobInner streamingJob) {
          return beginCreateOrReplaceWithServiceResponseAsync(resourceGroupName, jobName, streamingJob).toBlocking().single().body();
      }
docs: Creates a streaming job or replaces an already existing streaming job.
  
  @param resourceGroupName The name of the resource group that contains the resource. You can obtain this value from the Azure Resource Manager API or the portal.
  @param jobName The name of the streaming job.
  @param streamingJob The definition of the streaming job that will be used to create a new streaming job or replace the existing one.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @throws CloudException thrown if the request is rejected by server
  @throws RuntimeException all other wrapped checked exceptions if the request fails to be sent
  @return the StreamingJobInner object if successful.