/**
 * Tenant Middleware
 *
 * Middleware for resolving and setting tenant context.
 */
import type { IsolationConfig, Tenant } from '../types/index.js';
import { TenantRequest } from '../context/resolver.js';
/**
 * Tenant lookup function type
 */
export type TenantLookup = (tenantId: string) => Promise<Tenant | null>;
/**
 * Tenant middleware options
 */
export interface TenantMiddlewareOptions {
    /** Isolation config */
    config: IsolationConfig;
    /** Function to lookup tenant by ID */
    lookupTenant: TenantLookup;
    /** Called when tenant not found */
    onTenantNotFound?: (tenantId: string) => void;
    /** Called when tenant is suspended */
    onTenantSuspended?: (tenant: Tenant) => void;
}
/**
 * Create tenant middleware
 */
export declare function createTenantMiddleware(options: TenantMiddlewareOptions): <T>(request: TenantRequest, next: () => Promise<T>) => Promise<T>;
/**
 * Tenant not found error
 */
export declare class TenantNotFoundError extends Error {
    tenantId: string;
    constructor(tenantId: string);
}
/**
 * Tenant suspended error
 */
export declare class TenantSuspendedError extends Error {
    tenantId: string;
    constructor(tenantId: string);
}
/**
 * Tenant inactive error
 */
export declare class TenantInactiveError extends Error {
    tenantId: string;
    status: string;
    constructor(tenantId: string, status: string);
}
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