@Override
    public boolean equals(Object o) {
        if (this == o) return true;
        if (o == null || getClass() != o.getClass()) return false;
        Bcp bcp = (Bcp) o;
        return defaultDeadline.equals(bcp.defaultDeadline) && groups.equals(bcp.groups);
    }
Returns this bcp spec, or if it is empty, the given bcp spec.
config-model-api/src/main/java/com/yahoo/config/application/api/Bcp.java