pub fn to_absorption_sequence_opt<F: FieldWitness>( evals: &ProofEvaluations<PointEvaluations<Vec<F>>>, hack_feature_flags: OptFlag, ) -> Vec<Opt<PointEvaluations<Vec<F>>>>
https://github.com/MinaProtocol/mina/blob/4af0c229548bc96d76678f11b6842999de5d3b0b/src/lib/pickles_types/plonk_types.ml#L674