import { DynamicModule } from '@nestjs/common';
import { GooglePubSubModuleAsyncOptions, GooglePubSubModuleOptions } from './interfaces';
export declare class GooglePubSubCoreModule {
    static forRoot(options?: GooglePubSubModuleOptions): DynamicModule;
    static forRootAsync(options: GooglePubSubModuleAsyncOptions): DynamicModule;
    private static createAsyncProviders;
    private static createAsyncOptionsProvider;
    private static createPubSubFactory;
}