Typed_array.Int8Arraytype typed_array('a) = Js.int8Array;type t = typed_array(elt);let buffer: t => Js.arrayBuffer;let byteLength: t => int;let byteOffset: t => int;let length: t => int;let join: ?sep:string => t => string;let toString: t => string;let toLocaleString: t => string;let entries: t => Js.iterator((int, elt));let find: f:(elt => bool) => t => Js.undefined(elt);let findi: f:(elt => int => bool) => t => Js.undefined(elt);let keys: t => Js.iterator(int);let map: f:(elt => 'b) => t => typed_array('b);let mapi: f:(elt => int => 'b) => t => typed_array('b);let fromBuffer: Js.arrayBuffer => ?off:int => ?len:int => unit => t;let fromLength: int => t;let from: Js.array_like(elt) => t;let values: t => Js.iterator(elt);