import { IAdapter, PaginatedEmailsResponse } from './IAdapter.js';
import { NormalizedEmail, FetchOptions, OutlookCredentials, EmailStreamOptions, EmailStreamCallbacks } from '../interfaces.js';
export declare class OutlookAdapter implements IAdapter {
    private graphClient_?;
    private credentials_?;
    private emailParserService;
    private initialized;
    private oauthService?;
    private msalApp_?;
    private accessToken_?;
    constructor();
    /**
     * Initialize the Outlook adapter with credentials.
     * This method supports both traditional refresh token authentication
     * and the new OAuth flow using an auth code.
     */
    initialize(credentials: OutlookCredentials): Promise<void>;
    /**
     * Start the OAuth flow to get authorization from the user
     * @returns The authorization URL that the user should visit
     */
    static startOAuthFlow(clientId: string, clientSecret: string, redirectUri: string, tenantId?: string, port?: number, callbackPath?: string): Promise<string>;
    /**
     * Handle the OAuth callback manually (for server-side applications)
     * @returns TokenData containing access and refresh tokens
     */
    static handleOAuthCallback(code: string, clientId: string, clientSecret: string, redirectUri: string, tenantId?: string): Promise<{
        accessToken: string;
        refreshToken?: string;
    }>;
    private ensureInitialized;
    authenticate(): Promise<void>;
    fetchEmails(options: FetchOptions): Promise<PaginatedEmailsResponse>;
    /**
     * Fetches a single page of emails with enhanced format support
     */
    private fetchEmailPage;
    /**
     * Fetches all pages of emails up to the specified limit with enhanced format support
     */
    private fetchAllEmailPages;
    /**
     * Helper method to build field selection based on fetch strategy
     */
    private buildSelectFields;
    /**
     * Helper method to determine fetch strategy from options (similar to Gmail's format detection)
     */
    private determineOutlookFetchStrategy;
    /**
     * Fetches attachments for a message
     */
    private fetchAttachments;
    /**
     * Maps an Outlook message to our normalized email format
     */
    private mapOutlookMessageToNormalized;
    /**
     * Extracts the skip token from Outlook's nextLink URL
     */
    private extractSkipTokenFromNextLink;
    /**
     * Stream emails using async generator
     * This method provides memory-efficient streaming of emails
     */
    streamEmails(options: EmailStreamOptions): AsyncGenerator<NormalizedEmail[], void, unknown>;
    /**
     * Stream emails with callback-based progress tracking
     * Provides detailed progress information and error handling
     */
    fetchEmailsStream(options: EmailStreamOptions, callbacks: EmailStreamCallbacks): Promise<void>;
    /**
     * Helper method to build Outlook query from stream options
     */
    private buildOutlookQueryFromStreamOptions;
}