code: def get_combined_run_operations(
      run_operations_list: List[RunOperations],
  ) -> RunOperations:
      """Combine a list of RunOperations objects into a single RunOperations object.
  
      Given a list of `RunOperations`, returns a single `RunOperations` object that represents the
      combined set of operations. If the input list is empty, returns None. If the input list
      contains only one element, returns that element. Otherwise, creates a new `RunOperations`
      object that combines the operation futures from each input RunOperations object.
  
      Args:
          run_operations_list: A list of `RunOperations` objects to combine.
  
      Returns:
          A single `RunOperations` object that represents the combined set of operations.
      """
      if not run_operations_list:
          return None
      if len(run_operations_list) == 1:
          return run_operations_list[0]
  
      if len(run_operations_list) > 1:
          operation_futures = []
          for run_operations in run_operations_list:
              if run_operations and run_operations._operation_futures:
                  operation_futures.extend(
                      run_operations._operation_futures
                  )
          return RunOperations(operation_futures)
  
imports: from typing import List
label_desc: Use image node_id 1 for calling a global function with example usage: get_combined_run_operations(run_operations_list) and returns: None, run_operations_list, RunOperations