static Bigquery getBigquery() {
List<String> scopes = Lists.newArrayList();
scopes.add(BigQueryConstants.BQ_SCOPE);
AppIdentityCredential credential = new AppIdentityCredential.Builder(scopes).build();
GoogleClientRequestInitializer initializer = new CommonGoogleJsonClientRequestInitializer() {
@SuppressWarnings("unused")
public void initialize(
@SuppressWarnings("rawtypes") AbstractGoogleJsonClientRequest request) {
@SuppressWarnings("rawtypes")
BigqueryRequest bigqueryRequest = (BigqueryRequest) request;