code: public Observable<InputInner> getAsync(String resourceGroupName, String jobName, String inputName) {
          return getWithServiceResponseAsync(resourceGroupName, jobName, inputName).map(new Func1<ServiceResponseWithHeaders<InputInner, InputsGetHeaders>, InputInner>() {
              @Override
              public InputInner call(ServiceResponseWithHeaders<InputInner, InputsGetHeaders> response) {
                  return response.body();
              }
          });
      }
docs: Gets details about the specified input.
  
  @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 inputName The name of the input.
  @throws IllegalArgumentException thrown if parameters fail the validation
  @return the observable to the InputInner object