diff --git a/stubs/click-completion/click_completion/__init__.pyi b/stubs/click-completion/click_completion/__init__.pyi
new file mode 100644
index 000000000000..142f4b68aeab
--- /dev/null
+++ b/stubs/click-completion/click_completion/__init__.pyi
@@ -0,0 +1,19 @@
+from enum import Enum
+from typing import Any, Callable, Dict, List, Optional, Tuple, Union
+
+import click
+from click import ParamType
+
+__version__: str
+_initialized: bool
+
+def init(complete_options: bool = False, match_incomplete: Optional[Callable[[str, str], bool]] = None) -> None: ...
+
+class DocumentedChoice(ParamType):
+    name: str
+    def __init__(self, choices: Union[Dict[str, str], Enum]) -> None: ...
+    def get_metavar(self, param: Any) -> str: ...
+    def get_missing_message(self, param: Any) -> str: ...
+    def convert(self, value: str, param: Any, ctx: click.Context) -> Optional[str]: ...
+    def __repr__(self) -> str: ...
+    def complete(self, ctx: click.Context, incomplete: str) -> List[Tuple[str, str]]: ...
diff --git a/stubs/click-completion/click_completion/core.pyi b/stubs/click-completion/click_completion/core.pyi
new file mode 100644
index 000000000000..b09c59894dc1
--- /dev/null
+++ b/stubs/click-completion/click_completion/core.pyi
@@ -0,0 +1,43 @@
+from enum import Enum
+from typing import Callable, Dict, Generator, List, Optional, Tuple
+
+import click
+
+shells: Dict[str, str]
+
+class Shell(Enum):
+    bash: str
+    fish: str
+    zsh: str
+    powershell: str
+
+def startswith(string: str, incomplete: str) -> bool: ...
+
+class CompletionConfiguration:
+    complete_options: bool
+    match_complete: Callable[[str, str], bool]
+
+    def __init__(self) -> None: ...
+
+def match(string: str, incomplete: str) -> bool: ...
+def get_choices(
+    cli: click.Command, prog_name: str, args: List[str], incomplete: str
+) -> Generator[Tuple[str, Optional[str]], None, None]: ...
+def do_bash_complete(cli: click.Command, prog_name: str) -> bool: ...
+def do_fish_complete(cli: click.Command, prog_name: str) -> bool: ...
+def do_zsh_complete(cli: click.Command, prog_name: str) -> bool: ...
+def do_powershell_complete(cli: click.Command, prog_name: str) -> bool: ...
+def get_code(
+    shell: Optional[Shell] = None,
+    prog_name: Optional[str] = None,
+    env_name: Optional[str] = None,
+    extra_env: Optional[Dict[str, str]] = None,
+) -> str: ...
+def install(
+    shell: Optional[Shell] = None,
+    prog_name: Optional[str] = None,
+    env_name: Optional[str] = None,
+    path: Optional[str] = None,
+    append: Optional[bool] = None,
+    extra_env: Optional[Dict[str, str]] = None,
+) -> Tuple[Shell, str]: ...
diff --git a/stubs/click-completion/click_completion/lib.pyi b/stubs/click-completion/click_completion/lib.pyi
new file mode 100644
index 000000000000..fa67556250e6
--- /dev/null
+++ b/stubs/click-completion/click_completion/lib.pyi
@@ -0,0 +1,11 @@
+from typing import List, Optional
+
+import click
+
+def single_quote(s: str) -> str: ...
+def double_quote(s: str) -> str: ...
+def resolve_ctx(
+    cli: click.Command, prog_name: str, args: List[str], resilient_parsing: bool = True
+) -> Optional[click.core.Context]: ...
+def split_args(line: str) -> List[str]: ...
+def get_auto_shell() -> str: ...
diff --git a/stubs/click-completion/click_completion/patch.pyi b/stubs/click-completion/click_completion/patch.pyi
new file mode 100644
index 000000000000..3c9bc859c881
--- /dev/null
+++ b/stubs/click-completion/click_completion/patch.pyi
@@ -0,0 +1,10 @@
+from typing import List, Optional, Tuple
+
+import click
+
+def param_type_complete(self: click.ParamType, ctx: click.core.Context, incomplete: str) -> List[Tuple[str, Optional[str]]]: ...
+def choice_complete(self: click.Choice, ctx: click.core.Context, incomplete: str) -> List[Tuple[str, Optional[str]]]: ...
+def multicommand_get_command_short_help(self: click.MultiCommand, ctx: click.Context, cmd_name: str) -> str: ...
+def multicommand_get_command_hidden(self: click.MultiCommand, ctx: click.Context, cmd_name: str) -> bool: ...
+def _shellcomplete(cli: click.Command, prog_name: str, complete_var: Optional[str] = None) -> None: ...
+def patch() -> None: ...