code: public RunCommandDocumentInner get(String location, String commandId) {
          return getWithServiceResponseAsync(location, commandId).toBlocking().single().body();
      }
docs: Gets specific run command for a subscription in a location.
  
  @param location The location upon which run commands is queried.
  @param commandId The command id.
  @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 RunCommandDocumentInner object if successful.