Function load_prefix_sets_with_provider 

pub fn load_prefix_sets_with_provider<Provider, KH>(
    provider: &Provider,
    range: RangeInclusive<u64>,
) -> Result<TriePrefixSets, ProviderError>
where
    Provider: ChangeSetReader + StorageChangeSetReader + DBProvider,
    KH: KeyHasher,

Available on crate features trie and trie-db only.

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