Function sp_state_machine::prove_range_read_with_child_with_size_on_trie_backend

pub fn prove_range_read_with_child_with_size_on_trie_backend<S, H>(
    trie_backend: &TrieBackend<S, H>,
    size_limit: usize,
    start_at: &[Vec<u8>]
) -> Result<(StorageProof, u32), Box<dyn Error>>
where
    S: TrieBackendStorage<H>,
    H: Hasher,
    H::Out: Ord + Codec,

Generate range storage read proof, with child tries content. See prove_range_read_with_child_with_size.