import { DatastoreLoader } from './loader';
import { Datastore } from '@google-cloud/datastore';
import { Request } from 'express';
declare const ContextType: unique symbol;
export interface IUserUpdates {
    email?: string;
    name?: string;
    enabled?: boolean;
    roles?: ReadonlyArray<string>;
    orgId?: string;
    props?: any;
}
export interface IUserCreateRequest extends IUserUpdates {
    email: string;
}
export interface IUser extends IUserCreateRequest {
    id: string;
    enabled: boolean;
    roles: ReadonlyArray<string>;
    orgId?: string;
}
export declare const Ctxt: (...dataOrPipes: unknown[]) => ParameterDecorator;
export interface Context<User = IUser> {
    request: Request;
    datastore: DatastoreLoader;
    user?: User;
    hasAnyRole(...roles: string[]): boolean;
    props: {
        [key: string]: any;
    };
    [ContextType]: true;
}
export declare function isContext(value: object): value is Context;
export declare const newContext: (datastore: Datastore) => Context;
export declare const transaction: <T>(context: Context, callback: (context: Context) => Promise<T>) => Promise<T>;
export {};