import * as CustomEventType from "../contexts/common/CustomEventType";
import { FacadeChatSDK } from "./facades/FacadeChatSDK";
import { ITimer } from "./interfaces/ITimer";
export declare const setTabIndices: (elements: HTMLElement[] | null, tabIndexMap: Map<string, number>, shouldBeFocusable: boolean) => void;
export declare const findParentFocusableElementsWithoutChildContainer: (elementId: string) => HTMLElement[] | null;
export declare const findAllFocusableElement: (parent: string | HTMLElement) => any[] | null;
export declare const preventFocusToMoveOutOfElement: (elementId: string) => (() => void);
export declare const setAriaHiddenForSiblings: (elementId: string, shouldHide: boolean, stateMap: Map<Element, string | null>) => void;
export declare const setFocusOnSendBox: () => void;
export declare const setFocusOnElement: (selector: string | HTMLElement) => void;
export declare const announceMessageImmediately: (message: string) => void;
export declare const escapeHtml: (inputString: string) => string;
export declare const getIconText: (text: string) => string;
export declare const getLocaleDirection: (localeLCID: string) => string;
export declare const changeLanguageCodeFormatForWebChat: (languageCode: string) => string;
export declare const getTimestampHourMinute: (timestampStr: string) => string;
export declare const parseAdaptiveCardPayload: (payload: string, requiredFieldMissingMessage: string) => string;
export declare const extractPreChatSurveyResponseValues: (preChatSurvey: string, values: {
    index: number;
    label: any;
    id: any;
    value: string;
}[]) => {};
export declare const isNullOrUndefined: (obj: any) => boolean;
export declare const isNullOrEmptyString: (s: string | null) => boolean;
export declare const newGuid: () => string;
export declare const createTimer: () => ITimer;
export declare const getDomain: (hostValue: any) => string;
export declare const getWidgetCacheId: (orgId: string, widgetId: string, widgetInstanceId: string, popoutChat?: boolean) => string;
export declare const getWidgetEndChatEventName: (orgId: string, widgetId: string, widgetInstanceId: string) => string;
export declare const getStateFromCache: (widgetCacheId: string) => any;
export declare const isUndefinedOrEmpty: (object: any) => boolean;
export declare const addDelayInMs: (ms: number) => Promise<void>;
export declare const getBroadcastChannelName: (widgetId: string, widgetInstanceId: string) => string;
export declare const getWidgetCacheIdfromProps: (props: any, popoutChat?: boolean) => string;
export declare const debounceLeading: (fn: any, ms?: number) => (...args: any[]) => void;
export declare const isThisSessionPopout: (href: string) => boolean;
export declare const getConversationDetailsCall: (facadeChatSDK: FacadeChatSDK, liveChatContext?: any) => Promise<any>;
export declare const checkContactIdError: (e: any) => void;
export declare const createFileAndDownload: (fileName: string, blobData: string, mimeType: string) => void;
/**
 *
 * Replace placeholders with format {0}..{n} , in a string with values
 *
 * @param template String with placeholders to be replaced
 * @param values array of values to replace the placeholders
 * @returns formatted string with replaced values
 */
export declare const formatTemplateString: (templateMessage: string, values: any) => string;
export declare const parseLowerCaseString: (property: string | boolean | undefined) => string;
export declare const setOcUserAgent: (chatSDK: any) => void;
export declare function getDeviceType(): string;
export declare const isValidCustomEvent: (payload: object) => boolean;
export declare const getCustomEventValue: (customEventPayload: CustomEventType.ICustomEvent) => string;
export declare function isEndConversationDueToOverflowActivity(activity: {
    channelData?: {
        tags?: string[];
    };
}): boolean | undefined;
/**
 * Parses a value that can be boolean or string ("true"/"false") into a boolean.
 * Handles null/undefined by returning false.
 *
 * @param value - The value to parse (can be boolean, string, null, or undefined)
 * @returns true if value is true or "true" (case-insensitive), false otherwise
 */
export declare function parseBooleanFromConfig(value: boolean | string | null | undefined): boolean;