FormatError formats the error as a JSON object.

FormatStatus formats the specified objects according to the specified format (and id).

NewJSONProgressOutput returns a progress.Output that formats output using JSON objects.

NewProgressOutput returns a progress.Output object that can be passed to progress.NewProgressReader.

NewStderrWriter returns a writer which formats the output as json message representing stderr lines.

NewStdoutWriter returns a writer which formats the output as json message representing stdout lines.

AuxFormatter is a streamFormatter that writes aux progress messages.