https://github.com/apache/airflow/pull/27892 added Internal API as part of Webserver.

We need to introduce `airlfow internal-api` CLI command that starts Internal API as a independent component.
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"""Command-line interface."""
from __future__ import annotations
import argparse
import json
import os
import textwrap
from argparse import Action, ArgumentError, RawTextHelpFormatter
from functools import lru_cache
from typing import Callable, Iterable, NamedTuple, Union
import lazy_object_proxy
from airflow import settings
from airflow.cli.commands.legacy_commands import check_legacy_command
from airflow.configuration import conf
from airflow.exceptions import AirflowException
from airflow.executors.executor_constants import CELERY_EXECUTOR, CELERY_KUBERNETES_EXECUTOR
from airflow.executors.executor_loader import ExecutorLoader
from airflow.utils.cli import ColorMode
from airflow.utils.helpers import partition
from airflow.utils.module_loading import import_string
from airflow.utils.timezone import parse as parsedate
BUILD_DOCS = "BUILDING_AIRFLOW_DOCS" in os.environ
def lazy_load_command(import_path: str) -> Callable: