public void setMaintenanceId(String maintenanceId) {
        this.maintenanceId = maintenanceId;
    }
<p>
The ID of the requested action.
</p>

@param maintenanceId
       The ID of the requested action.
aws-java-sdk-opensearch/src/main/java/com/amazonaws/services/opensearch/model/DomainMaintenanceDetails.java