in src/main/java/org/apache/sling/tenant/internal/TenantProviderImpl.java [328:341]
public void setProperties(final Tenant tenant, final Map<String, Object> properties) {
updateProperties(tenant, new PropertiesUpdater() {
@Override
public void update(ModifiableValueMap vm) {
for (Entry<String, Object> entry : properties.entrySet()) {
if (entry.getValue() != null) {
vm.put(entry.getKey(), entry.getValue());
} else {
vm.remove(entry.getKey());
}
}
}
});
}