export declare class Util {
    /**
     * Checks if the Object is a Promise type or not
     * @param obj - the object to check
     * @returns - true if the object is a Promise, false otherwise
     */
    static isPromise(obj: any | null): boolean;
    /**
     * Removes an object from the provided Array
     * @param array - the array to remove an object from
     * @param object - the object to remove
     * @returns - true if the object was removed, false otherwise
     */
    static removeFromArray(array: any, object: any): boolean;
    /**
     * Checks if the provided Object is in the provided Array
     * @param array - the array to check against
     * @param object - the object to check
     * @returns - true if the object exists, false otherwise
     */
    static isInArray(array: any, object: any): boolean;
}