from django.db.migrations import AddIndex
from django.db.migrations.operations.base import Operation
from django.db.models.indexes import Index

class CreateExtension(Operation):
    reversible: bool = ...
    name: str = ...
    def __init__(self, name: str) -> None: ...

class BtreeGinExtension(CreateExtension):
    def __init__(self) -> None: ...

class BtreeGistExtension(CreateExtension):
    def __init__(self) -> None: ...

class CITextExtension(CreateExtension):
    def __init__(self) -> None: ...

class CryptoExtension(CreateExtension):
    def __init__(self) -> None: ...

class HStoreExtension(CreateExtension):
    def __init__(self) -> None: ...

class TrigramExtension(CreateExtension):
    def __init__(self) -> None: ...

class UnaccentExtension(CreateExtension):
    def __init__(self) -> None: ...

class AddIndexConcurrently(AddIndex):
    def __init__(self, model_name: str, index: str | Index) -> None: ...