pub fn select_author_exclusion_activation_locator(
terminals: &[StoreDeviceExclusionRef],
expected_stream: &AuthorStreamId,
sequence: u64,
load: impl FnMut(&StoreDeviceExclusionRef) -> Result<AuthorExclusionActivationLocator, DbError>,
) -> Result<Option<AuthorExclusionActivationLocator>, DbError>