import type { ExecutionContext } from '@nestjs/common';
import type { RolesProvider } from '@oidc-adapters/core';
export type RoleBasedAccessControlServiceOptions = RoleBasedAccessControlServiceOptionsContext | RoleBasedAccessControlServiceOptionsUser;
export interface RoleBasedAccessControlServiceOptionsCommon {
    providerType: 'user' | 'context';
    provider: UserRolesProviderFactory | ContextRolesProviderFactory;
}
export interface RoleBasedAccessControlServiceOptionsContext extends RoleBasedAccessControlServiceOptionsCommon {
    providerType: 'context';
    provider: ContextRolesProviderFactory;
}
export interface RoleBasedAccessControlServiceOptionsUser extends RoleBasedAccessControlServiceOptionsCommon {
    providerType: 'user';
    provider: UserRolesProviderFactory;
}
export type ContextRolesProviderFactory = (context: ExecutionContext) => RolesProvider;
export type UserRolesProviderFactory = (user: Express.User) => RolesProvider;
export declare const ROLE_BASED_ACCESS_CONTROL_SERVICE_OPTIONS: unique symbol;
export declare class RoleBasedAccessControlService {
    private options;
    constructor(options: RoleBasedAccessControlServiceOptions);
    private getRolesProvider;
    hasAllRoles(context: ExecutionContext, roles: string | Iterable<string>): Promise<boolean>;
    hasOneRole(context: ExecutionContext, roles: string | Iterable<string>): Promise<boolean>;
}