Class type `Push_js.pushSubscription`

method endpoint : Js_of_ocaml.Js.js_string Js_of_ocaml.Js.t Js_of_ocaml.Js.prop
method toJSON : Js_of_ocaml.Js.json Js_of_ocaml.Js.t Js_of_ocaml.Js.meth
method getKeys : Js_of_ocaml.Typed_array.arrayBuffer Js_of_ocaml.Js.meth
method unsubscribe : bool Js_of_ocaml.Js.t promise Js_of_ocaml.Js.t Js_of_ocaml.Js.meth