Extra links supported for operators coming from third-party packages:

airflow.serialization.serialized_objects.BUILTIN_OPERATOR_EXTRA_LINKS

airflow/cli/cli_parser.py
help='Full information about the provider, including documentation information.',
    required=False,
    action="store_true",
)
ARG_USERNAME = Arg(('-u', '--username'), help='Username of the user', required=True, type=str)
ARG_USERNAME_OPTIONAL = Arg(('-u', '--username'), help='Username of the user', type=str)
ARG_FIRSTNAME = Arg(('-f', '--firstname'), help='First name of the user', required=True, type=str)
ARG_LASTNAME = Arg(('-l', '--lastname'), help='Last name of the user', required=True, type=str)
ARG_ROLE = Arg(
    ('-r', '--role'),
    help='Role of the user. Existing roles include Admin, User, Op, Viewer, and Public',
    required=True,
    type=str,
)
ARG_EMAIL = Arg(('-e', '--email'), help='Email of the user', required=True, type=str)
ARG_EMAIL_OPTIONAL = Arg(('-e', '--email'), help='Email of the user', type=str)
ARG_PASSWORD = Arg(
    ('-p', '--password'),
    help='Password of the user, required to create a user without --use-random-password',
    type=str,
)
ARG_USE_RANDOM_PASSWORD = Arg(
    ('--use-random-password',),
    help='Do not prompt for password. Use random string instead.'
    ' Required to create a user without --password ',
    default=False,
    action='store_true',
)
ARG_USER_IMPORT = Arg(
    ("import",),