let create: ?random:bool => int => t('a);let clear: t('a) => unit;let reset: t('a) => unit;let copy: t('a) => t('a);let add: t('a) => key => 'a => unit;let remove: t('a) => key => unit;let find: t('a) => key => 'a;let find_opt: t('a) => key => option('a);let find_all: t('a) => key => list('a);let replace: t('a) => key => 'a => unit;let mem: t('a) => key => bool;let iter: (key => 'a => unit) => t('a) => unit;let filter_map_inplace: (key => 'a => option('a)) => t('a) => unit;let fold: (key => 'a => 'acc => 'acc) => t('a) => 'acc => 'acc;let length: t('a) => int;let to_seq_values: t('a) => Seq.t('a);let add_seq: t('a) => Seq.t((key, 'a)) => unit;let replace_seq: t('a) => Seq.t((key, 'a)) => unit;