loadIfAny<T extends Entity> function
Loads the entity of the given OID, and return a Future carrying null if not found.
Please refer to load for details.
Implementation
Future<T?> loadIfAny<T extends Entity>(Access access, String? oid,
T newInstance(String oid), [Iterable<String>? fields,
AccessOption? option])
=> loadIfAny_(access, oid, newInstance, access.agent.load, fields, option);