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           subjects:
           - kind: ServiceAccount
             name: azure-cloud-provider
             namespace: kube-system
    ```
    * If the clusterrole with same has already been provisioned (e.g. for accessing azurefile secrets), then the above yaml should be merged togather, e.g.
    ```
         kind: List
         apiVersion: v1
         items:
         - apiVersion: rbac.authorization.k8s.io/v1

        return toReturn;
      }

      @GuardedBy("lock")
      /*
       * The GuardedBy checker warns us that we're not holding cancellationDelegate.lock. But in
       * fact we are holding it because it is the same as this.lock, which we know we are holding,
       * thanks to @GuardedBy above. (cancellationDelegate.lock is initialized to this.lock in the
       * call to `new SupplantableFuture` below.)
       */

  private var exchangeFinder: ExchangeFinder? = null

  var connection: RealConnection? = null
    private set
  private var timeoutEarlyExit = false

  /**
   * This is the same value as [exchange], but scoped to the execution of the network interceptors.
   * The [exchange] field is assigned to null when its streams end, which may be before or after the
   * network interceptors return.
   */