import { OpenIdConfiguration } from '../types';
/**
 * Service for fetching and caching OpenID Connect configuration from Azure AD
 */
export declare class OpenIdConfigurationService {
    private readonly httpClient;
    private readonly configCache;
    private readonly cacheTtl;
    private readonly fetchLock;
    constructor(cacheTtl?: number);
    /**
     * Gets OpenID Connect configuration for a given Azure AD tenant
     * @param tenantId Azure AD tenant ID
     * @returns OpenID Connect configuration
     */
    getConfigurationAsync(tenantId: string): Promise<OpenIdConfiguration>;
    /**
     * Fetches OpenID Connect configuration from Azure AD
     * @param url Well-known configuration URL
     * @returns OpenID Connect configuration
     */
    private fetchConfiguration;
    /**
     * Gets the well-known OpenID Connect configuration URL for a tenant
     * @param tenantId Azure AD tenant ID
     * @returns Well-known configuration URL
     */
    private getWellKnownUrl;
    /**
     * Clears the configuration cache
     */
    clearCache(): void;
    /**
     * Gets the number of cached configurations
     */
    get cacheCount(): number;
}
//# sourceMappingURL=openIdConfigurationService.d.ts.map