import type { ModuleMetadata, InjectionToken, OptionalFactoryDependency } from '@nestjs/common';
import type { TKeycloakModuleOptions } from './keycloak.types.js';
/**
 * Async configuration options for `KeycloakModule.forRootAsync()`.
 *
 * Allows module configuration to be deferred until runtime, typically to read
 * values from environment variables via `ConfigService` or another async source.
 *
 * @example
 * ```ts
 * KeycloakModule.forRootAsync({
 *   imports: [ConfigModule],
 *   inject: [ConfigService],
 *   useFactory: (config: ConfigService) => ({
 *     authServerUrl: config.get('KEYCLOAK_URL'),
 *     realm: config.get('KEYCLOAK_REALM'),
 *     clientId: config.get('KEYCLOAK_CLIENT_ID'),
 *     clientSecret: config.get('KEYCLOAK_CLIENT_SECRET'),
 *     validationMode: 'online'
 *   })
 * })
 * ```
 */
export interface IKeycloakModuleAsyncOptions {
    /** NestJS modules to import into the async factory's DI context */
    imports?: ModuleMetadata['imports'];
    /** Factory function returning `TKeycloakModuleOptions` (or a Promise of it) */
    useFactory: (...args: unknown[]) => Promise<TKeycloakModuleOptions> | TKeycloakModuleOptions;
    /** Providers to inject as arguments into `useFactory` */
    inject?: Array<InjectionToken | OptionalFactoryDependency>;
}
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