/**
* Exhaust the content of the representation by reading it and silently discarding anything read.
* By default, it relies on {@link #getStream()} and closes the retrieved stream in the end.
*
* @return The number of bytes consumed or -1 if unknown.
*/
public long exhaust() throws IOException {
long result = -1L;
if (isAvailable()) {
InputStream is = getStream();
result = IoUtils.exhaust(is);
is.close();
}
return result;
}
