def METHOD_NAME():
    @strawberry.interface
    class Thing:
        name: str
    @strawberry.type()
    class Query:
        hello: Thing
    schema = strawberry.Schema(query=Query)
    graphql_schema: GraphQLSchema = schema._schema
    assert (
        graphql_schema.get_type("Thing").extensions[DEFINITION_BACKREF]
        is Thing.__strawberry_definition__
    )