public QueryStagePlanNode withIdentifier(String identifier) {
        setIdentifier(identifier);
        return this;
    }
<p>
Information about the operation this query stage plan node is performing.
</p>

@param identifier
       Information about the operation this query stage plan node is performing.
@return Returns a reference to this object so that method calls can be chained together.
aws-java-sdk-athena/src/main/java/com/amazonaws/services/athena/model/QueryStagePlanNode.java