fn do_change_points(
index: &dyn TemporalIndexAccess,
entity_id: u64,
start: i64,
end: i64,
) -> Result<QueryResult, QueryError>fn do_change_points(
index: &dyn TemporalIndexAccess,
entity_id: u64,
start: i64,
end: i64,
) -> Result<QueryResult, QueryError>