Function get_internal_verifier_proof_indices 

pub(crate) fn get_internal_verifier_proof_indices(
    internal_verifier_index: usize,
    leaf_proof_count: usize,
    num_children: usize,
) -> (ProofType, Vec<usize>)

Determines which proofs an internal verifier at given index should aggregate Returns (proof_type, indices) where indices are the proof indices to load