import { cloudbilling_v1, cloudfunctions_v1, GoogleApis, pubsub_v1 } from "googleapis";
import { PackerResult } from "../packer";
import { CleanupOptions, CommonOptions, ProviderImpl, UUID } from "../provider";
import { WrapperOptions } from "../wrapper";
import CloudFunctions = cloudfunctions_v1;
import PubSubApi = pubsub_v1;
import CloudBilling = cloudbilling_v1;
/**
 * Valid Google Cloud
 * {@link https://cloud.google.com/compute/docs/regions-zones/ | regions}. Only
 * some of these
 * {@link https://cloud.google.com/functions/docs/locations | regions have Cloud Functions}.
 * @public
 */
export declare type GoogleRegion = "asia-east1" | "asia-east2" | "asia-northeast1" | "asia-south1" | "asia-southeast1" | "australia-southeast1" | "europe-north1" | "europe-west1" | "europe-west2" | "europe-west3" | "europe-west4" | "europe-west6" | "northamerica-northeast1" | "southamerica-east1" | "us-central1" | "us-east1" | "us-east4" | "us-west1" | "us-west2";
/**
 * Google-specific options for {@link faastGoogle}.
 * @public
 */
export interface GoogleOptions extends CommonOptions {
    /**
     * The region to create resources in. Garbage collection is also limited to
     * this region. Default: `"us-central1"`.
     */
    region?: GoogleRegion;
    /**
     * Additional options to pass to Google Cloud Function creation. See
     * {@link https://cloud.google.com/functions/docs/reference/rest/v1/projects.locations.functions#CloudFunction | projects.locations.functions}.
     * @remarks
     * If you need specialized options, you can pass them to the Google Cloud
     * Functions API directly. Note that if you override any settings set by
     * faast.js, you may cause faast.js to not work:
     *
     * ```typescript
     *  const requestBody: CloudFunctions.Schema$CloudFunction = {
     *      name,
     *      entryPoint: "trampoline",
     *      timeout,
     *      availableMemoryMb,
     *      sourceUploadUrl,
     *      runtime: "nodejs14",
     *      ...googleCloudFunctionOptions
     *  };
     * ```
     *
     */
    googleCloudFunctionOptions?: CloudFunctions.Schema$CloudFunction;
    /** @internal */
    _gcWorker?: (resources: GoogleResources, services: GoogleServices) => Promise<void>;
}
export interface GoogleResources {
    trampoline: string;
    requestQueueTopic?: string;
    requestSubscription?: string;
    responseQueueTopic?: string;
    responseSubscription?: string;
    region: string;
}
export interface GoogleCloudPricing {
    perInvocation: number;
    perGhzSecond: number;
    perGbSecond: number;
    perGbOutboundData: number;
    perGbPubSub: number;
}
export declare class GoogleMetrics {
    outboundBytes: number;
    pubSubBytes: number;
}
export interface GoogleServices {
    readonly cloudFunctions: CloudFunctions.Cloudfunctions;
    readonly pubsub: PubSubApi.Pubsub;
    readonly google: GoogleApis;
    readonly cloudBilling: CloudBilling.Cloudbilling;
}
/**
 * @internal
 */
export interface GoogleState {
    resources: GoogleResources;
    services: GoogleServices;
    url?: string;
    project: string;
    functionName: string;
    metrics: GoogleMetrics;
    options: Required<GoogleOptions>;
    gcPromise?: Promise<void>;
}
export declare function defaultGcWorker(resources: GoogleResources, services: GoogleServices): Promise<void>;
export declare const defaults: Required<GoogleOptions>;
export declare const GoogleImpl: ProviderImpl<GoogleOptions, GoogleState>;
export declare function initializeGoogleServices(): Promise<GoogleServices>;
export declare function initialize(fmodule: string, nonce: UUID, options: Required<GoogleOptions>): Promise<GoogleState>;
export declare function getResponseQueueTopic(project: string, functionName: string): string;
export declare function getResponseSubscription(project: string, functionName: string): string;
export declare function getRequestSubscription(project: string, functionName: string, region: string): string;
export declare function cleanup(state: GoogleState, options: CleanupOptions): Promise<void>;
export declare function googlePacker(functionModule: string, options: CommonOptions, wrapperOptions: WrapperOptions, FunctionName: string): Promise<PackerResult>;
export declare function logUrl(state: GoogleState): string;