code: func (c *Client) StreamAppLog(appID string, opts *logagg.LogOpts, output chan<- *ct.SSELogChunk) (stream.Stream, error) {
  	path := fmt.Sprintf("/apps/%s/log", appID)
  	if opts != nil {
  		if encodedQuery := opts.EncodedQuery(); encodedQuery != "" {
  			path = fmt.Sprintf("%s?%s", path, encodedQuery)
  		}
  	}
  	return c.Stream("GET", path, nil, output)
  }
docs: // StreamAppLog is the same as GetAppLog but returns log lines via an SSE stream