@Override
    public Node toNode() {
        NodeMapper mapper = new NodeMapper();
        mapper.disableToNodeForClass(IntegrationResponse.class);
        mapper.setOmitEmptyValues(true);
        return mapper.serialize(this).expectObjectNode();
    }
Gets a specific response parameter by it's input mapping expression.

@param name Header name to retrieve.
@return Returns the optionally found response parameter.
smithy-aws-apigateway-traits/src/main/java/software/amazon/smithy/aws/apigateway/traits/IntegrationResponse.java