@Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        for (Parameter param : parameters) {
            sb.append(param);
            sb.append("\n");
        }
        return sb.toString();
    }
Gets the parameter for the given name.

@return returns an optional containing the parameter if present, empty otherwise.
smithy-rules-engine/src/main/java/software/amazon/smithy/rulesengine/language/syntax/parameters/Parameters.java