/// <reference types="node" />
import * as Bunyan from 'bunyan';
import { CallHandler, ExecutionContext, NestInterceptor } from '@nestjs/common';
import { ServerResponse } from 'http';
import { Observable } from 'rxjs';
import { Request as ExpressRequest } from 'express';
import { IdentityBill, IdentifiedBillBase } from './types';
import { StringTo } from './helper-types';
import { HttpAuthnOptions } from './authn/options';
import { HttpAuthzOptions } from './authz/options';
export interface HttpAuthxOptions<TIdentity extends IdentityBill, TIdentifiedBill extends IdentifiedBillBase> {
    logger?: Bunyan;
    authn: HttpAuthnOptions<TIdentifiedBill>;
    authz: HttpAuthzOptions<TIdentity>;
    forbiddenResponse?: (request: ExpressRequest, response: ServerResponse, scopes: ReadonlyArray<string>) => StringTo<any>;
    unauthorizedResponse?: (request: ExpressRequest, response: ServerResponse) => StringTo<any>;
}
export declare class HttpAuthxInterceptor<TIdentityBill extends IdentityBill, TIdentifiedBill extends IdentifiedBillBase> implements NestInterceptor {
    private readonly options;
    private readonly logger;
    private readonly tree;
    constructor(options: HttpAuthxOptions<TIdentityBill, TIdentifiedBill>);
    private _unauthorized;
    private _doAuthn;
    private _buildIdentity;
    private _shortCircuitBadAuth;
    private _forbidden;
    private _getScopes;
    private _validateScopesAgainstGrants;
    private _validateScopeAgainstRights;
    private _validateScopesAgainstRights;
    intercept(context: ExecutionContext, next: CallHandler): Promise<Observable<any>>;
}