/**
 * User interaction class to track user interactions on the page
 * @author [Vivek Sudarsan]
 * @version 0.1.0
 */
import { INTERACTION_TYPES } from './util/constants';
export declare class UserInteraction {
    private startTimestamp;
    private isScrolling;
    private batcher;
    /**
     * Create a new UserInteraction instance
     * with a null start timestamp and batcher
     */
    constructor();
    /**
     * Initialize the UserInteraction class
     * and add event listeners for user interactions
     */
    init: () => void;
    /**
     * Gets all visible elements that match our criteria
     * and returns the text content of those elements
     * @param element
     * @returns
     */
    getVisibleElementsText: (element: any) => unknown[];
    /**
     * Gets the text content of button and link elements
     * @param element
     * @returns
     */
    getHoverElementsText: () => unknown[];
    /**
     * Checks if a given element is visible in the viewport
     * @param element
     * @param tagName
     * @returns
     */
    isElementVisible: (element: any, tagName: any) => boolean;
    /**
     * Construct full payload with text and interaction data
     * @param element
     * @param textContent
     * @param eventType
     * @returns
     */
    constructPayload: (eventType: string, element?: any, textContent?: string | undefined) => {
        interaction: {
            contact_id: any;
            type: string;
            event_type: any;
            dist_from_center_percent: number;
            dist_from_top_abs: any;
            dist_from_left_abs: any;
            touch_id: any;
            url_params: string;
            start_timestamp: any;
            end_timestamp: number;
        };
        text: any;
    };
    /**
     * Create text payload for the given element
     * @param element
     */
    createTextPayload: (element?: any, textContent?: string | undefined) => any;
    /**
     * Create interaction payload for the given element
     * @param element
     */
    createInteractionPayload: (element: any, eventType: typeof INTERACTION_TYPES) => {
        contact_id: any;
        type: string;
        event_type: any;
        dist_from_center_percent: number;
        dist_from_top_abs: any;
        dist_from_left_abs: any;
        touch_id: any;
        url_params: string;
        start_timestamp: any;
        end_timestamp: number;
    };
    calculateDistanceFromCenter: (element: any) => number;
    calculateDistanceFromTop: (element: any) => any;
    calculateDistanceFromLeft: (element: any) => any;
    calculateElementScreenCoverage: (rect: any, viewHeight: number, viewWidth: number) => number;
    isPositionAllowed: (style: any, screenCoveragePercent: number, maxCoverageThreshold?: number) => boolean;
    startTimer: () => void;
    /**
     * Event listener for scrollend event
     * @param element
     */
    scrollListener: () => void;
    /**
     * Event listener for copy event
     */
    copyListener: () => void;
    /**
     * Event listener for select event
     */
    selectListener: () => void;
    /**
     * Event listener for hover event
     */
    hoverListener: () => void;
    /**
     * Event listener for screenshot keystroke pattern
     * (Command + Shift)
     */
    screenshotListener: () => void;
    visibilityChangeListener: () => void;
    /**
     * Queues interaction data to be sent to server
     * @param data
     */
    sendInteractionData(data: any, keepAlive?: boolean): Promise<void>;
}