An abstract interface which when implemented provides an interface to write bytes from an array buffer to a file/resource asynchronously.
write(p: Uint8Array): Promise<number>
Writes p.byteLength bytes from p to the underlying data stream. It
resolves to the number of bytes written from p (0 <= n <=
p.byteLength) or reject with the error encountered that caused the
write to stop early. write() must reject with a non-null error if
would resolve to n < p.byteLength. write() must not modify the
slice data, even temporarily.
Implementations should not retain a reference to p.