public String getMergeAction() {
        return this.mergeAction;
    }
<p>
Specifies a merge action. Valid values: <code>simple</code>, <code>custom</code>. If simple, merge behavior is
defined by <code>MergeWhenMatched</code> and <code> MergeWhenNotMatched</code>. If custom, defined by
<code>MergeClause</code>.
</p>

@return Specifies a merge action. Valid values: <code>simple</code>, <code>custom</code>. If simple, merge
        behavior is defined by <code>MergeWhenMatched</code> and <code> MergeWhenNotMatched</code>. If custom,
        defined by <code>MergeClause</code>.
aws-java-sdk-glue/src/main/java/com/amazonaws/services/glue/model/SnowflakeNodeData.java