import { DynamicModule } from '@nestjs/common';
import { GraphileWorkerAsyncConfiguration, GraphileWorkerConfiguration } from './interfaces/module-config.interfaces';
export declare const GRAPHILE_WORKER_TOKEN: unique symbol;
export declare class GraphileWorkerModule {
    /**
     * Registers a globally available `WorkerService`.
     *
     * Example:
     *
     * ```ts
     *  GraphileWorkerModule.forRoot({
     *   connectionString: 'postgres://example:password@postgres/example',
     *  }),
     * ```
     */
    static forRoot(config: GraphileWorkerConfiguration): DynamicModule;
    /**
     * Registers a globally available `WorkerService`.
     *
     * Example:
     *
     * ```ts
     * GraphileWorkerModule.forRootAsync({
     *   imports: [ConfigModule],
     *   inject: [ConfigService],
     *   useFactory: (config: ConfigService) => ({
     *     connectionString: config.get('PG_CONNECTION'),
     *   }),
     *  }),
     * ```
     */
    static forRootAsync(asyncConfig: GraphileWorkerAsyncConfiguration): DynamicModule;
    private static createAsyncSharedConfigurationProviders;
    private static createAsyncRunnerOptionsProvider;
}