presto-example-http/src/main/java/io/prestosql/plugin/example/ExampleSplit.java/ExampleSplit/ExampleSplit
class ExampleSplit:    @JsonCreator
    public ExampleSplit(
            @JsonProperty("uri") URI uri)
    {
        this.uri = requireNonNull(uri, "uri is null");

        remotelyAccessible = true;
        addresses = ImmutableList.of(HostAddress.fromUri(uri));
    }