Jackson serialization

Item.java

@AutoValue
public abstract class Item
{

    @JsonCreator
    public static Item create(
            @JsonProperty("sku") String sku, 
            @JsonProperty("barcode") String barcode, 
            @JsonProperty("backup") boolean backup, 
            @JsonProperty("removed") boolean removed, 
            @JsonProperty("external_srr_reservation_id") int external_srr, 
            @JsonProperty("external_rb_reservation_id") int external_rb) {
        return new AutoValue_Item(sku, barcode, backup, removed, external_srr, external_rb);
    }

    @JsonProperty
    public abstract String sku();

    @JsonProperty
    public abstract String barcode();

    @JsonProperty
    public abstract boolean backup();

    @JsonProperty
    public abstract boolean removed();

    @JsonProperty
    public abstract int external_srr_reservation_id();

    @JsonProperty
    public abstract int external_rb_reservation_id();
}