// Format progress message for step 1 fmt.Fprintf(os.Stdout, "%s\n", StreamFormatter.FormatProgress("Step 1", "working", "details...")) // Format progress message for step 2 fmt.Fprintf(os.Stdout, "%s\n", StreamFormatter.FormatProgress("Step 2", "done", ""))In the first example, a progress message is formatted for step 1 with a status of "working" and some details. In the second example, a progress message is formatted for step 2 with a status of "done" and no details. Overall, `StreamFormatter` provides a useful collection of methods for formatting output streams in a variety of ways.