argAddFileOut function
Implementation
void argAddFileOut(
ArgParser argParser, {
required bool isDocument,
}) {
argParser.addSeparator('IO settings');
argParser.addOption(
argNameOut,
abbr: 'o',
valueHelp: 'downloaded_${_resourceType(isDocument)}.json',
help: 'Path of the output file where the ${_resourceType(isDocument)} '
'JSON will be written. If omitted, STDOUT will be used.',
);
}