presto-redis/src/main/java/io/prestosql/plugin/redis/RedisTableDescription.java/RedisTableDescription/RedisTableDescription
class RedisTableDescription:    @JsonCreator
    public RedisTableDescription(
            @JsonProperty("tableName") String tableName,
            @JsonProperty("schemaName") String schemaName,
            @JsonProperty("key") RedisTableFieldGroup key,
            @JsonProperty("value") RedisTableFieldGroup value)
    {
        checkArgument(!isNullOrEmpty(tableName), "tableName is null or is empty");
        this.tableName = tableName;
        this.schemaName = schemaName;
        this.key = key;
        this.value = value;
    }