public void setEndpointType(String endpointType) {
        this.endpointType = endpointType;
    }
<p>
The type of the endpoint. One of: <code>READER</code>, <code>WRITER</code>, <code>CUSTOM</code>.
</p>

@param endpointType
       The type of the endpoint. One of: <code>READER</code>, <code>WRITER</code>, <code>CUSTOM</code>.
aws-java-sdk-neptune/src/main/java/com/amazonaws/services/neptune/model/DBClusterEndpoint.java