import { Provider } from '@angular/core';
import { LumberjackLogDriverConfig } from './lumberjack-log-driver.config';
import { LumberjackConfig } from './lumberjack.config';
import { LumberjackOptions } from './lumberjack.options';
export declare function configFactory(isProductionEnvironment: boolean, options?: LumberjackOptions): LumberjackConfig;
export declare function logDriverConfigFactory({ levels }: LumberjackConfig): Omit<LumberjackLogDriverConfig, 'identifier'>;
/**
 * Returns the [dependency-injection providers](https://angular.io/guide/glossary#provider)
 * for the `LumberjackOptions`, `LumberjackConfig` and `LumberjackLogDriverConfig`.
 *
 * @usageNotes
 *
 * The function is useful when you want to bootstrap an application using
 * the `bootstrapApplication` function and want to make available the `Lumberjack` providers.
 *
 * ```typescript
 * bootstrapApplication(RootComponent, {
 *   providers: [
 *    provideLumberjack({...})
 *   ]
 * });
 * ```
 *
 * @publicApi
 */
export declare function provideLumberjack(options?: LumberjackOptions): Provider[];