import { BasedServer } from './server.js';
import { HttpSession, Context, Session, WebSocketSession, BasedRoute, BasedFunctionConfig } from '@based/functions';
import { AttachedCtx } from './query/types.js';
export type ClientSession = HttpSession | WebSocketSession;
export type FunctionHandler<S extends Session = Session, R extends BasedRoute = BasedRoute, P = any> = (props: FunctionProps<S, R, P> & {
    spec: BasedFunctionConfig<R['type']>;
}) => any;
export type FunctionErrorHandler<S extends Session = Session, R extends BasedRoute = BasedRoute, P = any> = (props: FunctionProps<S, R, P>, err?: Error) => true | void;
export type FunctionProps<S extends Session = Session, R extends BasedRoute = BasedRoute, P = any> = {
    route: R;
    server: BasedServer;
    ctx: Context<S>;
    payload?: P;
    error?: FunctionErrorHandler<S, R, P>;
    id?: number;
    checksum?: number;
    attachedCtx?: AttachedCtx;
};