I think it's likely that in this context, "ops" refers to the low level runtime primitives Deno provides and implements in Rust. E.g. read bytes from a file. I

I think it's likely that in this context, "ops" refers to the low level runtime primitives Deno provides and implements in Rust. E.g. read bytes from a file. I doubt you could transparently multithread `await` without clashing with JS's semantics.