@Override
    protected Node createNode() {
        NodeMapper mapper = new NodeMapper();
        mapper.setOmitEmptyValues(true);
        return mapper.serialize(getParameters()).expectObjectNode();
    }
Binds elements of a target operation's input to rule-set parameters.
smithy-rules-engine/src/main/java/software/amazon/smithy/rulesengine/traits/OperationContextParamsTrait.java