@Override
        public Trait createTrait(ShapeId target, Node value) {
            CfnResourceTrait result = new NodeMapper().deserialize(value, CfnResourceTrait.class);
            result.setNodeCache(value);
            return result;
        }
Gets the alternative resource property to use as the primary identifier for the CloudFormation resource.

@return Returns the optional alternative primary identifier.
smithy-aws-cloudformation-traits/src/main/java/software/amazon/smithy/aws/cloudformation/traits/CfnResourceTrait.java