import type * as msalNs from '@azure/msal-browser-1p';
/**
 * This class manages Msal Browser client instances and provides the caller with a client to use.
 *
 * MSAL.js team strongly encourages us to have a 1:1 relationship between client IDs and Msal Browser clients
 * for performance and reliability reasons.
 * This class will ensure that there is only 1 Msal Browser client per client ID.
 *
 * MsalBrowserClientManager also ensures that all Msal Browser clients have invoked handleRedirectPromise()
 * and waited for the result.
 */
export declare class MsalBrowserClientManager {
    private static _msalBrowserClients;
    private static readonly _LOCAL_STORAGE_TEST_STRING;
    private static readonly _NAA_CLIENT_SUFFIX;
    private static readonly _PAIRWISEBROKER_CLIENT_SUFFIX;
    /**
     * This method registers a new Msal Browser client. Calling this method tells MsalBrowserClientManager
     * that you will soon request a client with the same authority, client ID, and redirect URI.
     *
     * Registering before requesting a client is optional, you may instead directly call getMsalBrowserClient().
     * By registering early (e.g., during the constructor of MsalBrowserTokenProvider), handleRedirectPromise()
     * will have time to resolve before the client is needed for a request
     *
     * @param authority - URL of AAD auth server.
     * @param clientId - AAD issued client ID that tokens are being requested for.
     * @param redirectUri - URL the user will be redirected to after calling any redirect methods.
     */
    static registerMsalBrowserClient(authority: string, clientId: string, redirectUri: string, isNaaSupported: boolean, isPairwiseBrokerEnabled: boolean): void;
    /**
     * This method returns an initialized Msal Browser client that has also invoked and fulfilled the
     * handleRedirectPromise() call. If the requested Msal Browser client does not exist, this method
     * will create and return it.
     *
     * @param authority - URL of AAD auth server.
     * @param clientId - AAD issued client ID that tokens are being requested for.
     * @param redirectUri - URL the user will be redirected to after calling any redirect methods.
     * @returns A promise containing an initialized Msal Browser client.
     */
    static getMsalBrowserClient(authority: string, clientId: string, redirectUri: string, isNaaSupported: boolean, isPairwiseBrokerEnabled: boolean): Promise<msalNs.IPublicClientApplication>;
    private static _isClientIndexRegistered;
    private static _getClientIdIndex;
    /**
     * Creates and returns a PublicClientApplication with a custom configuration.
     * PublicClientApplication is the object used for interacting with the MSAL library,
     * AKA MSAL client.
     *
     * Options:
     *   - authority: URL of AAD auth server.
     *   - clientId: AAD issued client ID that tokens are being requested for.
     *   - navigateToLoginRequestUrl: Whether or not to navigate to the original request URL after
     *                                the auth server navigates to the redirect URL.
     *   - redirectUri: URL the user will be redirected to after calling any redirect methods.
     *   - loadFrameTimeout: Timeout for waiting for a response hash in an iFrame.
     *   - navigateFrameWait: Maximum time MSAL will wait for a frame to load.
     *   - loggerOptions: Configuration for MSAL logging. See below for details.
     *
     * Logging:
     *   - MSAL can enable logging to the console for debugging purposes.
     *   - To enable logging, use the query string parameter 'msalLogging=true'.
     *   - To disable logging, use the query string parameter 'msalLogging=false'.
     *   - Logs are printed in the format "[sp-http][msal.js]: LOG_MESSAGE"
     *
     * @returns An initialized PublicClientApplication.
     */
    private static _createMsalBrowserClient;
    private static _createMsalBrowserNextClient;
    private static _createMsalBrowserPairwiseBrokerClient;
    private static _getMsalBrowserConfiguration;
    /**
     * Applies Bleu and Delos sovereign cloud workaround to MSAL configuration.
     * Sets knownAuthorities and cloudDiscoveryMetadata for sovereign clouds.
     *
     * @param authority - URL of AAD auth server.
     * @param configuration - MSAL configuration object to modify.
     */
    private static _applyBleuDelosWorkaround;
    private static _isLocalStorageAvailable;
    private static _logIfBothNaaAndPairwiseBrokerEnabled;
}
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