functions, custom classes, and objects.
Array - functions for Array type.
Date - functions for Date type.
Number - functions for Number type.
Object - functions for Object type.
String - functions for String type.
Dictionary - Inherits from Array type.
Represents an array of values which available by keys.
EventTarget - Represents a store of
functions. Allows to add, remove, and call function or an array of functions.
Maybe - Represents 'Maybe' monade.