Debug writes the message to standard error in grey and with a new line.

Debugf formats according to the specifier, colors the message in grey, and writes to standard error.

Error writes the message to standard error with the default color.

Errorf writes the message to standard error with the default color.

Info writes the message to standard error with the default color.

Infof formats according to the specifier, and writes to standard error with the default color.

InfoLight writes the message to standard error in grey and with a new line.

InfoLightf formats according to the specifier, colors the message in grey, and writes to standard error.

Success prefixes the message with a green "✔ Success!", and writes to standard error with a new line.

Warning prefixes the message with a "Note:", colors the *entire* message in yellow, writes to standard error with a new line.

DiagnosticWriter controls logs output.