import type { ExecutionContext } from '@nestjs/common';
import type { PermissionsProvider } from '@oidc-adapters/core';
export type PermissionBasedAccessControlServiceOptions = PermissionBasedAccessControlServiceOptionsContext | PermissionBasedAccessControlServiceOptionsUser;
export interface PermissionBasedAccessControlServiceOptionsCommon {
    providerType: 'user' | 'context';
    provider: UserPermissionsProviderFactory | ContextPermissionsProviderFactory;
}
export interface PermissionBasedAccessControlServiceOptionsContext extends PermissionBasedAccessControlServiceOptionsCommon {
    providerType: 'context';
    provider: ContextPermissionsProviderFactory;
}
export interface PermissionBasedAccessControlServiceOptionsUser extends PermissionBasedAccessControlServiceOptionsCommon {
    providerType: 'user';
    provider: UserPermissionsProviderFactory;
}
export type ContextPermissionsProviderFactory = (context: ExecutionContext) => PermissionsProvider;
export type UserPermissionsProviderFactory = (user: Express.User) => PermissionsProvider;
export declare const PERMISSION_BASED_ACCESS_CONTROL_SERVICE_OPTIONS: unique symbol;
export interface PermissionScopesSpec {
    resource?: string;
    scopes: string | string[];
}
export type PermissionsSpec = string | PermissionScopesSpec | (string | PermissionScopesSpec)[];
export declare class PermissionBasedAccessControlService {
    private options;
    constructor(options: PermissionBasedAccessControlServiceOptions);
    getPermissionsProvider(context: ExecutionContext): PermissionsProvider | undefined;
    hasAllPermissions(context: ExecutionContext, permissions: PermissionsSpec): Promise<boolean>;
    hasOnePermission(context: ExecutionContext, permissions: PermissionsSpec): Promise<boolean>;
}