public void setAddSecurityGroupIds(java.util.Collection<String> addSecurityGroupIds) {
        if (addSecurityGroupIds == null) {
            this.addSecurityGroupIds = null;
            return;
        }

        this.addSecurityGroupIds = new com.amazonaws.internal.SdkInternalList<String>(addSecurityGroupIds);
    }
<p>
(Interface endpoint) The IDs of the security groups to associate with the endpoint network interfaces.
</p>

@param addSecurityGroupIds
       (Interface endpoint) The IDs of the security groups to associate with the endpoint network interfaces.
aws-java-sdk-ec2/src/main/java/com/amazonaws/services/ec2/model/ModifyVpcEndpointRequest.java