Function load_prefix_sets_with_provider 

pub fn load_prefix_sets_with_provider<Provider>(
    provider: &Provider,
    range: RangeInclusive<BlockNumber>,
) -> Result<TriePrefixSets, ProviderError>
where
    Provider: ChangeSetReader + StorageChangeSetReader + DBProvider,

Load prefix sets using a provider that implements ChangeSetReader. This function can read changesets from both static files and database.