import { ClientOptions } from "./client";
import { AllServices, errors, GoogleAdsServiceClient, ServiceName, services } from "./protos";
import { CustomerOptions, CustomerCredentials, RequestOptions, MutateOperation, MutateOptions } from "./types";
import { Hooks } from "./hooks";
export declare const FAILURE_KEY = "google.ads.googleads.v17.errors.googleadsfailure-bin";
export interface CallHeaders {
    "developer-token": string;
    "login-customer-id"?: string;
    "linked-customer-id"?: string;
}
export declare class Service {
    protected readonly clientOptions: ClientOptions;
    protected readonly customerOptions: CustomerOptions;
    protected readonly hooks: Hooks;
    constructor(clientOptions: ClientOptions, customerOptions: CustomerOptions, hooks?: Hooks);
    get credentials(): CustomerCredentials;
    protected get callHeaders(): CallHeaders;
    private getCredentials;
    protected loadService<T = AllServices>(service: ServiceName): T;
    protected getGoogleAdsError(error: Error): errors.GoogleAdsFailure | Error;
    private decodeGoogleAdsFailureBuffer;
    protected decodePartialFailureError<T>(response: T): T;
    protected buildSearchRequestAndService(gaql: string, options?: RequestOptions): {
        service: GoogleAdsServiceClient;
        request: services.SearchGoogleAdsRequest;
    };
    protected buildSearchStreamRequestAndService(gaql: string, options?: RequestOptions): {
        service: GoogleAdsServiceClient;
        request: services.SearchGoogleAdsStreamRequest;
    };
    protected buildMutationRequestAndService<T>(mutations: MutateOperation<T>[], options?: MutateOptions): {
        service: GoogleAdsServiceClient;
        request: services.MutateGoogleAdsRequest;
    };
    protected buildOperations<Op, Ent>(type: "create" | "update" | "remove", entities: Ent[], message?: Ent): Op[];
    protected buildRequest<Op, Req, Options>(operations: Op[], options?: Options): Req;
}