from _typeshed import Incomplete
from typing import Any, NamedTuple

from .. import util
from .interfaces import LoaderStrategy

class UninstrumentedColumnLoader(LoaderStrategy):
    columns: Any
    def __init__(self, parent, strategy_key) -> None: ...
    def setup_query(
        self, compile_state, query_entity, path, loadopt, adapter, column_collection: Incomplete | None = None, **kwargs
    ) -> None: ...
    def create_row_processor(self, context, query_entity, path, loadopt, mapper, result, adapter, populators) -> None: ...

class ColumnLoader(LoaderStrategy):
    logger: Any
    columns: Any
    is_composite: Any
    def __init__(self, parent, strategy_key) -> None: ...
    def setup_query(self, compile_state, query_entity, path, loadopt, adapter, column_collection, memoized_populators, check_for_adapt: bool = False, **kwargs) -> None: ...  # type: ignore[override]
    is_class_level: bool
    def init_class_attribute(self, mapper) -> None: ...
    def create_row_processor(self, context, query_entity, path, loadopt, mapper, result, adapter, populators) -> None: ...

class ExpressionColumnLoader(ColumnLoader):
    logger: Any
    def __init__(self, parent, strategy_key) -> None: ...
    def setup_query(self, compile_state, query_entity, path, loadopt, adapter, column_collection, memoized_populators, **kwargs) -> None: ...  # type: ignore[override]
    def create_row_processor(self, context, query_entity, path, loadopt, mapper, result, adapter, populators) -> None: ...
    is_class_level: bool
    def init_class_attribute(self, mapper) -> None: ...

class DeferredColumnLoader(LoaderStrategy):
    logger: Any
    raiseload: Any
    columns: Any
    group: Any
    def __init__(self, parent, strategy_key) -> None: ...
    def create_row_processor(self, context, query_entity, path, loadopt, mapper, result, adapter, populators) -> None: ...
    is_class_level: bool
    def init_class_attribute(self, mapper) -> None: ...
    def setup_query(self, compile_state, query_entity, path, loadopt, adapter, column_collection, memoized_populators, only_load_props: Incomplete | None = None, **kw) -> None: ...  # type: ignore[override]

class LoadDeferredColumns:
    key: Any
    raiseload: Any
    def __init__(self, key, raiseload: bool = False) -> None: ...
    def __call__(self, state, passive=...): ...

class AbstractRelationshipLoader(LoaderStrategy):
    mapper: Any
    entity: Any
    target: Any
    uselist: Any
    def __init__(self, parent, strategy_key) -> None: ...

class DoNothingLoader(LoaderStrategy):
    logger: Any

class NoLoader(AbstractRelationshipLoader):
    logger: Any
    is_class_level: bool
    def init_class_attribute(self, mapper) -> None: ...
    def create_row_processor(self, context, query_entity, path, loadopt, mapper, result, adapter, populators) -> None: ...

class LazyLoader(AbstractRelationshipLoader, util.MemoizedSlots):
    logger: Any
    is_aliased_class: Any
    use_get: Any
    def __init__(self, parent, strategy_key) -> None: ...
    is_class_level: bool
    def init_class_attribute(self, mapper) -> None: ...
    def create_row_processor(self, context, query_entity, path, loadopt, mapper, result, adapter, populators) -> None: ...

class LoadLazyAttribute:
    key: Any
    strategy_key: Any
    loadopt: Any
    extra_criteria: Any
    def __init__(self, key, initiating_strategy, loadopt, extra_criteria) -> None: ...
    def __call__(self, state, passive=...): ...

class PostLoader(AbstractRelationshipLoader): ...

class ImmediateLoader(PostLoader):
    def init_class_attribute(self, mapper) -> None: ...
    def create_row_processor(self, context, query_entity, path, loadopt, mapper, result, adapter, populators) -> None: ...

class SubqueryLoader(PostLoader):
    logger: Any
    join_depth: Any
    def __init__(self, parent, strategy_key) -> None: ...
    def init_class_attribute(self, mapper) -> None: ...

    class _SubqCollections:
        session: Any
        execution_options: Any
        load_options: Any
        params: Any
        subq: Any
        def __init__(self, context, subq) -> None: ...
        def get(self, key, default): ...
        def loader(self, state, dict_, row) -> None: ...

    def create_row_processor(self, context, query_entity, path, loadopt, mapper, result, adapter, populators): ...

class JoinedLoader(AbstractRelationshipLoader):
    logger: Any
    join_depth: Any
    def __init__(self, parent, strategy_key) -> None: ...
    def init_class_attribute(self, mapper) -> None: ...
    def setup_query(
        self,
        compile_state,
        query_entity,
        path,
        loadopt,
        adapter,
        column_collection: Incomplete | None = None,
        parentmapper: Incomplete | None = None,
        chained_from_outerjoin: bool = False,
        **kwargs,
    ) -> None: ...
    def create_row_processor(self, context, query_entity, path, loadopt, mapper, result, adapter, populators) -> None: ...

class SelectInLoader(PostLoader, util.MemoizedSlots):
    logger: Any

    class query_info(NamedTuple):
        load_only_child: Any
        load_with_join: Any
        in_expr: Any
        pk_cols: Any
        zero_idx: Any
        child_lookup_cols: Any
    join_depth: Any
    omit_join: Any
    def __init__(self, parent, strategy_key) -> None: ...
    def init_class_attribute(self, mapper) -> None: ...
    def create_row_processor(self, context, query_entity, path, loadopt, mapper, result, adapter, populators): ...

def single_parent_validator(desc, prop): ...
