import { Throwable } from "ts-injection";
import { ApiEvent, ApiHandlerConstructor, BigsbyConfig, BigsbyLogger, HandlerClassesInput, InvalidApiVersionError } from "../types";
export declare function V<HandlerClass extends ApiHandlerConstructor>(id: string): (classCtor: HandlerClass) => void;
export declare function Version<HandlerClass extends ApiHandlerConstructor>(id: string): (classCtor: HandlerClass) => void;
export declare function getHandlerClassForVersion(logger: BigsbyLogger, classes: HandlerClassesInput, event: ApiEvent, config: NonNullable<BigsbyConfig["api"]["versioning"]>): Throwable<InvalidApiVersionError, {
    handler: ApiHandlerConstructor;
    apiVersion: string;
}>;