pattern:ProofEngineTypes.lazy_pattern ->
Cic.substitution * Cic.metasenv * CicUniv.universe_graph *
[ `Decl of (Cic.context * Cic.term) list
pattern:ProofEngineTypes.lazy_pattern ->
Cic.substitution * Cic.metasenv * CicUniv.universe_graph *
[ `Decl of (Cic.context * Cic.term) list