pub trait TransactionalNamespaceChanges {
// Required methods
fn find_namespace(&self, id: NamespaceId) -> Option<&NamespaceDef>;
fn find_namespace_by_name(&self, name: &str) -> Option<&NamespaceDef>;
fn is_namespace_deleted(&self, id: NamespaceId) -> bool;
fn is_namespace_deleted_by_name(&self, name: &str) -> bool;
}