The Byte Stream API enables a client to read and write a stream of bytes to and from a resource. Resources have names, and these names are supplied in the API calls below to identify the resource that is being read from or written to.
All implementations of the Byte Stream API export the interface defined here:
Read(): Reads the contents of a resource.
Write(): Writes the contents of a resource. The client can call
Write()multiple times with the same resource and can check the status of the write by calling
The ByteStream API provides no direct way to access/modify any metadata associated with the resource.
The errors returned by the service are in the Google canonical error space.