import { DynamicModule } from '@nestjs/common';
import { GooglePubSubModuleAsyncOptions, GooglePubSubModuleOptions, GooglePubSubTopicAsyncOptions, GooglePubSubTopicOptions } from './interfaces';
export declare class GooglePubSubModule {
    static forRoot(options: GooglePubSubModuleOptions): DynamicModule;
    static forRootAsync(options: GooglePubSubModuleAsyncOptions): DynamicModule;
    static forFeature(topicName: string, options?: GooglePubSubTopicOptions | string): DynamicModule;
    static forFeatureAsync(options: GooglePubSubTopicAsyncOptions): DynamicModule;
    private static createAsyncProviders;
    private static createAsyncOptionsProvider;
    private static createTopicFactory;
}