GetJsonSchemaHandler as GetJsonSchemaHandler,
    )
    from pydantic._internal._typing_extra import eval_type_lenient
    from pydantic._internal._utils import lenient_issubclass as lenient_issubclass
    from pydantic.fields import FieldInfo
    from pydantic.json_schema import GenerateJsonSchema as GenerateJsonSchema
    from pydantic.json_schema import JsonSchemaValue as JsonSchemaValue

) -> Optional[bool]:
    if lenient_issubclass(type_annotation, Request):
        dependant.request_param_name = param_name
        return True
    elif lenient_issubclass(type_annotation, WebSocket):
        dependant.websocket_param_name = param_name
        return True
    elif lenient_issubclass(type_annotation, HTTPConnection):
        dependant.http_connection_param_name = param_name

from fastapi._compat import (
    GenerateJsonSchema,
    JsonSchemaValue,
    ModelField,
    Undefined,
    get_compat_model_name_map,
    get_definitions,
    get_schema_from_model_field,
    lenient_issubclass,
)
from fastapi.datastructures import DefaultPlaceholder
from fastapi.dependencies.models import Dependant
from fastapi.dependencies.utils import get_flat_dependant, get_flat_params