code: public boolean close(InterceptedStream<T> stream) {
  
          // Remove stream if present
          boolean wasRemoved = streams.remove(stream.getIndex(), stream);
  
          // Close provided stream
          close(stream.getStream());
  
          return wasRemoved;
  
      }
docs: Closes the given stream, logging any errors that occur during closure,
  and unblocking any in-progress calls to waitFor() for the given stream.
  If the given stream is stored within this map, it will also be removed.
  
  @param stream
  The stream to close.
  
  @return
  true if the given stream was stored within this map, false
  otherwise.