import { ClientApplication } from "./ClientApplication.js";
import { Configuration } from "../config/Configuration.js";
import { AuthenticationResult, IAppTokenProvider } from "@azure/msal-common/node";
import { IConfidentialClientApplication } from "./IConfidentialClientApplication.js";
import { OnBehalfOfRequest } from "../request/OnBehalfOfRequest.js";
import { ClientCredentialRequest } from "../request/ClientCredentialRequest.js";
/**
 *  This class is to be used to acquire tokens for confidential client applications (webApp, webAPI). Confidential client applications
 *  will configure application secrets, client certificates/assertions as applicable
 * @public
 */
export declare class ConfidentialClientApplication extends ClientApplication implements IConfidentialClientApplication {
    private appTokenProvider?;
    /**
     * Constructor for the ConfidentialClientApplication
     *
     * Required attributes in the Configuration object are:
     * - clientID: the application ID of your application. You can obtain one by registering your application with our application registration portal
     * - authority: the authority URL for your application.
     * - client credential: Must set either client secret, certificate, or assertion for confidential clients. You can obtain a client secret from the application registration portal.
     *
     * In Azure AD, authority is a URL indicating of the form https://login.microsoftonline.com/\{Enter_the_Tenant_Info_Here\}.
     * If your application supports Accounts in one organizational directory, replace "Enter_the_Tenant_Info_Here" value with the Tenant Id or Tenant name (for example, contoso.microsoft.com).
     * If your application supports Accounts in any organizational directory, replace "Enter_the_Tenant_Info_Here" value with organizations.
     * If your application supports Accounts in any organizational directory and personal Microsoft accounts, replace "Enter_the_Tenant_Info_Here" value with common.
     * To restrict support to Personal Microsoft accounts only, replace "Enter_the_Tenant_Info_Here" value with consumers.
     *
     * In Azure B2C, authority is of the form https://\{instance\}/tfp/\{tenant\}/\{policyName\}/
     * Full B2C functionality will be available in this library in future versions.
     *
     * @param Configuration - configuration object for the MSAL ConfidentialClientApplication instance
     */
    constructor(configuration: Configuration);
    /**
     * This extensibility point only works for the client_credential flow, i.e. acquireTokenByClientCredential and
     * is meant for Azure SDK to enhance Managed Identity support.
     *
     * @param IAppTokenProvider  - Extensibility interface, which allows the app developer to return a token from a custom source.
     */
    SetAppTokenProvider(provider: IAppTokenProvider): void;
    /**
     * Acquires tokens from the authority for the application (not for an end user).
     */
    acquireTokenByClientCredential(request: ClientCredentialRequest): Promise<AuthenticationResult | null>;
    /**
     * Acquires tokens from the authority for the application.
     *
     * Used in scenarios where the current app is a middle-tier service which was called with a token
     * representing an end user. The current app can use the token (oboAssertion) to request another
     * token to access downstream web API, on behalf of that user.
     *
     * The current middle-tier app has no user interaction to obtain consent.
     * See how to gain consent upfront for your middle-tier app from this article.
     * https://docs.microsoft.com/en-us/azure/active-directory/develop/v2-oauth2-on-behalf-of-flow#gaining-consent-for-the-middle-tier-application
     */
    acquireTokenOnBehalfOf(request: OnBehalfOfRequest): Promise<AuthenticationResult | null>;
    private setClientCredential;
}
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