import type { AuthenticatedRequest, TokenGrant } from '@n8n/db';
import type { AuthStrategy, AuthStrategyOptions } from './auth-strategy.types';
export declare class AuthStrategyRegistry {
    private readonly strategies;
    register(strategy: AuthStrategy): void;
    buildContextFromToken(token: string, options?: AuthStrategyOptions): Promise<TokenGrant | null>;
    authenticate(req: AuthenticatedRequest): Promise<boolean>;
}