import { ToastNotificationMessage } from '../models/toast-notification-message.interface';
import * as i0 from "@angular/core";
export declare class ToastNotificationService {
    private readonly _toastNotificationMessage;
    toastNotificationMessage$: import("rxjs").Observable<ToastNotificationMessage[]>;
    private toasts;
    /**
     * show toast
     * @param message
     */
    showToast(message: ToastNotificationMessage): void;
    /**
     * hide message
     * @param id
     */
    hideMessage(id: string | undefined): void;
    /**
     * show success toast
     * @param content
     * @param timeout
     * @param unique set to true in order to prevent displaying the same message multiple times
     */
    success(content: string, timeout?: number, unique?: boolean): void;
    /**
     * show error toast
     * @param content
     * @param timeout
     * @param unique set to true in order to prevent displaying the same message multiple times
     */
    error(content: string, timeout?: number, unique?: boolean): void;
    /**
     * show warning toast
     * @param content
     * @param timeout
     * @param unique set to true in order to prevent displaying the same message multiple times
     */
    warning(content: string, timeout?: number, unique?: boolean): void;
    /**
     * show info toast
     * @param content
     * @param timeout
     * @param unique set to true in order to prevent displaying the same message multiple times
     */
    info(content: string, timeout?: number, unique?: boolean): void;
    /**
     * remove item when timeout pass
     * @param message
     */
    private removeWithTimeout;
    /**
     * calc default timeout.
     * as we can get different messages length we check
     * the proper timeout by checking the number of words in the message.
     * the min timeout is 5 sec
     * the max timeout is 15 sec
     * @param message
     */
    private calcDefaultTimeOut;
    /**
     * calc the number of words in the message
     * replace(/<[^>]*>/g, '') >> remove html tags
     * replace(/\s\s+/g, ' ') >> remove multiple spaces with single space
     */
    private calcNumOfWords;
    /**
     * check if allowed to add a message to the list of the messages.
     * - only if we get unique true we will check if it already exists.
     * - in case content is empty we will not show the toast message.
     *
     * in case unique is true and we get the same text we init the timeout of the current message
     * @param message
     */
    private allowToPushMessage;
    static ɵfac: i0.ɵɵFactoryDeclaration<ToastNotificationService, never>;
    static ɵprov: i0.ɵɵInjectableDeclaration<ToastNotificationService>;
}
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