docs: public DescribeEnvironmentManagedActionsResult withManagedActions(ManagedAction... managedActions) {
          if (this.managedActions == null) {
              setManagedActions(new com.amazonaws.internal.SdkInternalList<ManagedAction>(managedActions.length));
          }
          for (ManagedAction ele : managedActions) {
              this.managedActions.add(ele);
          }
          return this;
      }