if (lb.accessList == null)
builder.accessRules(ImmutableSet.<AccessRuleWithId> of());
else
builder.accessRules(lb.accessList);
if (lb.virtualIps == null)
builder.virtualIPs(ImmutableSet.<VirtualIPWithId> of());
else
builder.virtualIPs(lb.virtualIps);
if (lb.metadata == null)
builder.metadata(new Metadata());
else