public static List<String> getDeployments(ModelControllerClient client) {
DefaultOperationRequestBuilder builder = new DefaultOperationRequestBuilder();
final ModelNode request;
try {
builder.operationName("read-children-names");
builder.addProperty("child-type", "deployment");
request = builder.buildRequest();
} catch (OperationFormatException e) {
throw new IllegalStateException("Failed to build operation", e);
}