Variables
$
$: any
Const DEFAULT_BUTTON_ICON
DEFAULT_BUTTON_ICON: "date_range_black" = "date_range_black"
Const DEFAULT_BUTTON_POSITION
DEFAULT_BUTTON_POSITION: "suffix" = "suffix"
Const DEFAULT_START_VIEW
DEFAULT_START_VIEW: "month" = "month"
Const ERROR
ERROR: string = "error"
Const NORMAL
NORMAL: string = "normal"
Const SUCCESS
SUCCESS: string = "success"
Const TYPE_NAME
TYPE_NAME: string = "material-date-picker"
Const WARNING
WARNING: string = "warning"