@Override
    public int hashCode() {
        return Objects.hash(planId, version);
    }
DTO for updating an {@link io.apiman.manager.api.beans.apis.ApiPlanBean}

@author Marc Savy {@literal <marc@blackparrotlabs.io>}
manager/api/beans/src/main/java/io/apiman/manager/api/beans/apis/dto/UpdateApiPlanDto.java