import { Credentials } from "./Credentials";
/**
 * Service Principal credentials allow your application to call PDF Services API.
 * For getting the credentials,
 * <a href = "https://www.adobe.com/go/dcsdks_credentials?ref=getStartedWithServicesSdk" target="_blank"> Click Here</a>
 */
export declare class ServicePrincipalCredentials implements Credentials {
    private readonly _clientId;
    private readonly _clientSecret;
    /**
     *  Constructs an instance of `ServicePrincipalCredentials`.
     *
     * @param params - The parameters for constructing an instance of `ServicePrincipalCredentials`.
     * @param params.clientId - The client ID for `ServicePrincipalCredentials`. Cannot be undefined.
     * @param params.clientSecret - The client secret for `ServicePrincipalCredentials`. Cannot be undefined.
     */
    constructor(params: {
        clientId: string;
        clientSecret: string;
    });
    /**
     * Client Id
     *
     * @returns client Id
     */
    get clientId(): string;
    /**
     * Client Secret
     *
     * @returns client secret
     */
    get clientSecret(): string;
}