methodOptions(Function) -- recover the options used when a method function was created

i1 : methodOptions source

o1 = OptionTable{Binary => false                         }
                 Dispatch => {Thing, Thing, Thing, Thing}
                 Options => null
                 TypicalValue => Thing

o1 : OptionTable

i2 : methodOptions res

o2 = OptionTable{Binary => false                                                                                                                                                                                                                         }
                 Dispatch => {Thing, Thing, Thing, Thing}
                 Options => {StopBeforeComputation => false, LengthLimit => (infinity), DegreeLimit => (null), SyzygyLimit => (infinity), PairLimit => (infinity), HardDegreeLimit => {}, SortStrategy => 0, Strategy => (null), FastNonminimal => false}
                 TypicalValue => Thing

o2 : OptionTable