1388
}
1389
usage(
1391
>
description?: CommandHandler['description'],
1392
>
builder?: CommandBuilderDefinition | CommandBuilder,
1393
>
handler?: CommandHandlerCallback
1394
>
): YargsInstance {
1395
>
argsert(
1396
>
'<string|null|undefined> [string|boolean] [function|object] [function]',
1397
>
[msg, description, builder, handler],
1398
>
arguments.length
1399
>
);
1400
>
1401
>
if (description !== undefined) {
1402
assertNotStrictEqual(msg, null, this.#shim);
1403
// .usage() can be used as an alias for defining