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

airflow.serialization.serialized_objects.BUILTIN_OPERATOR_EXTRA_LINKS

airflow/cli/cli_parser.py
name='set',
        help='Configure pool',
        func=lazy_load_command('airflow.cli.commands.pool_command.pool_set'),
        args=(
            ARG_POOL_NAME,
            ARG_POOL_SLOTS,
            ARG_POOL_DESCRIPTION,
            ARG_OUTPUT,
        ),
    ),
    ActionCommand(
        name='delete',
        help='Delete pool',
        func=lazy_load_command('airflow.cli.commands.pool_command.pool_delete'),
        args=(
            ARG_POOL_NAME,
            ARG_OUTPUT,
        ),
    ),
    ActionCommand(
        name='import',
        help='Import pools',
        func=lazy_load_command('airflow.cli.commands.pool_command.pool_import'),
        args=(
            ARG_POOL_IMPORT,
            ARG_OUTPUT,
        ),
    ),
    ActionCommand(
        name='export',