import { HttpParams } from '@angular/common/http';
import { ChangeDetectorRef, NgZone } from '@angular/core';
import { Observable, Subscription } from 'rxjs';
import { SafeAny, SafeHTMLElement, SafeNumber } from '../type/type';
/**
 * [removeSubscriptions description]
 * @method removeSubscriptions
 */
export declare function removeSubscriptions(subscriptions: Array<Subscription>): Array<Subscription>;
/**
 * Convert to boolean.
 *
 * @param {any} val
 * @returns {boolean}
 */
export declare function convertToBoolProperty(val: any): boolean;
/**
 * Throw erro whit message in input.
 *
 * @author Federico Gambardella
 * @param {string} message
 */
export declare function throwError(message: string): void;
/**
 * Show error message whitout stack trace.
 *
 * @author Federico Gambardella
 * @param {string} message
 */
export declare function throwErrorNoTrace(message: string): void;
/**
 * Set options from object;
 *
 * @author Federico Gambardella
 * @param {any} object
 * @param {HttpParams} options
 * @return {options}
 */
export declare function setOptionFromObject(object: any, options: HttpParams): HttpParams;
/**
 * Set options from criteria.
 *
 * @author Federico Gambardella
 * @param {any} criteria
 * @param {HttParams} options
 */
export declare function setOptionFromCriteria(criteria: any, options: HttpParams): HttpParams;
/**
 * Set options:
 *
 * @author Federico Gambardella
 * @param {any} object
 * @param {any} criteria
 */
export declare function setOptions(object: any, criteria: any, options?: HttpParams): HttpParams;
/**
 * Convert date to string.
 *
 * @author Federico Gambardella
 * @param {Date} date
 * @return {string}
 */
export declare function convertDateToString(date: Date, locale?: string): string;
/**
 * Stringify a vlue if it is not a string.
 *
 * @author Federico Gambardella
 * @param {any} value
 */
export declare function stringify(value: any): string;
/**
 * Generate a delay setted with input parameter.
 *
 * @author Federico Gambardella
 * @param {number} inputDelay
 */
export declare function delayFn(inputDelay?: number): Observable<void>;
/**
* Update view in ngZone.
*
* @author Federico Gambardella
* @param {ngZone} zone
* @param {ChangeDetectorRef} cd
* @return {void}
*/
export declare function updateViewInNgZone(zone: NgZone, cd: ChangeDetectorRef): void;
/**
 * Get element top
 *
 * @author Federico Gambardella
 * @param {SafeHTMLElement} element
 * @return {SafeNumber}
 */
export declare function getElementTop(element: SafeHTMLElement): SafeNumber;
/**
 * Add value in session storage.
 *
 * @author Federico Gambardella
 * @param key
 * @param value
 */
export declare function addInSessionStorage(key: string, value: string): void;
/**
 * Parse json.
 *
 * @author Federico Gambardella
 * @param {SafeAny} value
 */
export declare function parseJSON(value: SafeAny): SafeAny;
/**
 * Stringify json.
 *
 * @author Federico Gambardella
 * @param {SafeAny} value
 * @returns
 */
export declare function stringifyJSON(value: SafeAny): string;
/**
 * Scroll into view
 *
 * @author Federico Gambardella
 * @param {HTMLElement} element
 */
export declare function scrollIntoView(element: Element): void;
/**
 * Check if is a string.
 *
 * @author Federico Gambardella
 * @param {SafeAny} value
 * @returns
 */
export declare function isAString(value: SafeAny): SafeAny;