public java.util.List<GroupIdentifier> getAllSecurityGroups() {
        if (allSecurityGroups == null) {
            allSecurityGroups = new com.amazonaws.internal.SdkInternalList<GroupIdentifier>();
        }
        return allSecurityGroups;
    }
<p>
The IDs of the security groups.
</p>

@return The IDs of the security groups.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/LaunchSpecification.java