public java.util.List<? extends com.google.spanner.v1.PlanNodeOrBuilder>
      getPlanNodesOrBuilderList() {
    return planNodes_;
  }
public java . util . List < ? extends com . google . spanner . v1 . PlanNodeOrBuilder > getPlanNodesOrBuilderList ( ) { return planNodes_ ; }
<pre>
The nodes in the query plan. Plan nodes are returned in pre-order starting
with the plan root. Each [PlanNode][google.spanner.v1.PlanNode]'s `id`
corresponds to its index in `plan_nodes`.
</pre>

<code>repeated .google.spanner.v1.PlanNode plan_nodes = 1;</code>