in aws-synthetics-canary/src/main/java/com/amazon/synthetics/canary/CanaryHelper.java [22:31]
public static boolean isNullOrEmpty(VpcConfigOutput vpcConfigOutput) {
// Properties may be null during unit tests.
if (vpcConfigOutput == null) {
return true;
}
return !vpcConfigOutput.hasSubnetIds()
&& !vpcConfigOutput.hasSecurityGroupIds()
&& Strings.isNullOrEmpty(vpcConfigOutput.vpcId());
}