import { Api, ApiClient, FaxRegion, UnifiedCredentials } from '@sinch/sdk-client';
import { LazyFaxApiClient } from './fax-service';
export declare class FaxDomainApi implements Api {
    /** @internal */
    readonly lazyClient: LazyFaxApiClient;
    /** @internal */
    readonly apiName: string;
    /** @internal */
    constructor(
    /** @internal */
    lazyClient: LazyFaxApiClient, 
    /** @internal */
    apiName: string);
    /** @internal */
    get client(): ApiClient;
    /**
     * Kept for backward compatibility - TODO: remove in future major release
     * @return {ApiClient}
     * @deprecated
     */
    /** @internal */
    getSinchClient(): ApiClient;
    /**
     * Update the default hostname for the API
     * @param {string} hostname - The new hostname to use for the APIs.
     */
    /** @internal */
    setHostname(hostname: string): void;
    /**
     * Update the region in the basePath
     * @param {FaxRegion} _region - The new region to send the requests to
     * @deprecated
     */
    /** @internal */
    setRegion(_region: FaxRegion): void;
    /**
     * Updates the credentials used to authenticate API requests
     * @param {UnifiedCredentials} credentials
     */
    /** @internal */
    setCredentials(credentials: Partial<UnifiedCredentials>): void;
}