import { Time, SchoolHour, Class } from "./DataObjects";
import moment = require("moment");
/**
 * wrapper for for loop
 * @param from from what number
 * @param to to what number (-1)
 * @param callback function to be called on each `i`
 */
export declare const forloop: (from: number, to: number, callback: Function) => void;
export declare const dayNumberToString: (dayNum: number) => "Sunday" | "Monday" | "Tuesday" | "Wednesday" | "Thursday" | "Friday" | "Saturday";
export declare const isStringNumber: (str: string) => boolean;
export declare const inboxSenderTypeFromString: (str: string) => "MessageSenderType.Teacher" | "MessageSenderType.Principal" | "MessageSenderType.Pupil" | "N/A";
export declare const constructTime: (time: string) => Time;
export declare const extractDateFromString: (str: string) => moment.Moment;
export declare const constructSchoolHour: (from: string, to: string) => SchoolHour;
export declare const extractSchoolHoursFromString: (str: string) => "כל היום" | SchoolHour[];
export declare const extractClassFromString: (str: string, level: number) => Class;
export declare const extractClassesFromString: (str: string) => Class[];
export declare const stripHTML: (html: string) => string;
export declare const classToNumber: (str: string) => number | undefined;