gremlin-client-demo/src/main/java/software/amazon/neptune/RefreshAgentDemo.java [137:155]:
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            refreshAgent.close();
            client.close();
            cluster.close();

        } catch (Exception e) {
            System.err.println("An error occurred while connecting to Neptune:");
            e.printStackTrace();
            System.exit(-1);
        }
    }

    private ClusterEndpointsRefreshAgent createRefreshAgent() {

        if (StringUtils.isNotEmpty(clusterId)) {
            return ClusterEndpointsRefreshAgent.managementApi(clusterId, RegionUtils.getCurrentRegionName(), profile);
        } else if (StringUtils.isNotEmpty(lambdaProxy)) {
            return ClusterEndpointsRefreshAgent.lambdaProxy(lambdaProxy, RegionUtils.getCurrentRegionName(), profile);
        } else {
            throw new IllegalStateException("You must supply either a cluster Id or AWS Lambda proxy name");
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gremlin-client-demo/src/main/java/software/amazon/neptune/TxDemo.java [147:165]:
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            refreshAgent.close();
            client.close();
            cluster.close();

        } catch (Exception e) {
            System.err.println("An error occurred while connecting to Neptune:");
            e.printStackTrace();
            System.exit(-1);
        }
    }

    private ClusterEndpointsRefreshAgent createRefreshAgent() {

        if (StringUtils.isNotEmpty(clusterId)) {
            return ClusterEndpointsRefreshAgent.managementApi(clusterId, RegionUtils.getCurrentRegionName(), profile);
        } else if (StringUtils.isNotEmpty(lambdaProxy)) {
            return ClusterEndpointsRefreshAgent.lambdaProxy(lambdaProxy, RegionUtils.getCurrentRegionName(), profile);
        } else {
            throw new IllegalStateException("You must supply either a cluster Id or AWS Lambda proxy name");
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