export interface OAuthCallbackResult {
    code?: string;
    error?: string;
    state?: string;
}
export interface OAuthServerOptions {
    startPort?: number;
    endPort?: number;
    timeout?: number;
}
/**
 * Starts a temporary HTTP server to capture OAuth callbacks
 * Automatically finds an available port in the specified range
 */
export declare class OAuthServer {
    private server;
    private port;
    private callbackPromise;
    private callbackResolve;
    private connections;
    /**
     * Start the OAuth callback server
     * Returns the port number it's listening on
     */
    start(options?: OAuthServerOptions): Promise<number>;
    /**
     * Wait for the OAuth callback
     * Automatically stops the server after receiving the callback
     */
    waitForCallback(): Promise<OAuthCallbackResult>;
    /**
     * Stop the server
     */
    stop(): Promise<void>;
    /**
     * Get the current port (null if not started)
     */
    getPort(): number | null;
    /**
     * Try to start server on a specific port
     */
    private tryStartServer;
    /**
     * Handle incoming HTTP requests
     */
    private handleRequest;
    /**
     * Send HTTP response with HTML page
     */
    private sendResponse;
    /**
     * Escape HTML to prevent XSS
     */
    private escapeHtml;
}
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