import type { AuthSuccess, ErrorHandler } from './types.js';
export interface PopupLayout {
    width: number;
    height: number;
    top: number;
    left: number;
}
/**
 * Calculates the layout dimensions for a modal window based on the expected width and height
 * @param expectedWidth - The expected width of the modal window
 * @param expectedHeight - The expected height of the modal window
 * @returns The layout details including left and top positions, as well as computed width and height
 */
export declare function computeLayout({ expectedWidth, expectedHeight }: {
    expectedWidth: number;
    expectedHeight: number;
}): PopupLayout;
/**
 * Converts the features object of this class to a string
 * @returns The string representation of features
 */
export declare function windowFeaturesToString(layout: PopupLayout): string;
/**
 * AuthorizationModal class
 */
export declare class AuthorizationModal {
    private baseURL;
    private debug;
    private swClient;
    private errorHandler;
    modal?: Window;
    isProcessingMessage: boolean;
    constructor({ baseUrl, debug, webSocketUrl, successHandler, errorHandler }: {
        baseUrl: URL;
        debug: boolean;
        webSocketUrl: string;
        successHandler: (authSuccess: AuthSuccess) => void;
        errorHandler: ErrorHandler;
    });
    setModal(modal: Window): void;
    /**
     * Handles the messages received from the Nango server via WebSocket
     * @param message - The message event containing data from the server
     * @param successHandler - The success handler function to be called when a success message is received
     */
    handleMessage(message: MessageEvent, successHandler: (authSuccess: AuthSuccess) => void): void;
    /**
     * Opens a modal window with the specified WebSocket client ID
     */
    open(): void;
    /**
     * Close modal, if opened
     */
    close(): void;
}
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