import { ModuleMetadata, Type } from '@nestjs/common';
import { ClientConfig } from '@google-cloud/pubsub/build/src/pubsub';
import { PublishOptions } from '@google-cloud/pubsub/build/src/publisher';
export declare type GooglePubSubModuleOptions = {
    projectName?: string;
} & Partial<ClientConfig>;
export declare type GooglePubSubTopicOptions = {
    topicName?: string;
    projectName?: string;
} & Partial<PublishOptions>;
export interface GooglePubSubOptionsFactory {
    createGooglePubSubOptions(projectName?: string): Promise<GooglePubSubModuleOptions> | GooglePubSubModuleOptions;
}
export interface GooglePubSubTopicOptionsFactory {
    createGooglePubSubTopicOptions(projectName?: string): Promise<GooglePubSubTopicOptions> | GooglePubSubTopicOptions;
}
export interface GooglePubSubModuleAsyncOptions extends Pick<ModuleMetadata, 'imports'> {
    projectName?: string;
    useExisting?: Type<GooglePubSubOptionsFactory>;
    useClass?: Type<GooglePubSubOptionsFactory>;
    useFactory?: (...args: any[]) => Promise<GooglePubSubModuleOptions> | GooglePubSubModuleOptions;
    inject?: any[];
}
export interface GooglePubSubTopicAsyncOptions extends Pick<ModuleMetadata, 'imports'> {
    topicName: string;
    projectName?: string;
    useExisting?: Type<GooglePubSubTopicOptionsFactory>;
    useClass?: Type<GooglePubSubTopicOptionsFactory>;
    useFactory?: (...args: any[]) => Promise<GooglePubSubTopicOptions> | GooglePubSubTopicOptions;
    inject?: any[];
}