pub trait HasUserDefinedFunctionClient<C, D, COLL, UDF>: HasCollectionClient<C, D, COLL> where
C: CosmosClient,
D: DatabaseClient<C>,
COLL: CollectionClient<C, D>,
UDF: UserDefinedFunctionClient<C, D, COLL>, {
fn user_defined_function_client(&self) -> &UDF;
}