public Value get(Identifier key) {
        return this.value.get(key);
    }
Gets the value in the record for the provided key.

@param key the key to retrieve a value for.
@return the value for the provided key, or null if the key is not present.
smithy-rules-engine/src/main/java/software/amazon/smithy/rulesengine/language/evaluation/value/RecordValue.java