<?php

declare(strict_types = 1);

/**
* @template TScalar of scalar
*/
abstract class ScalarType {
	/**
     * @return class-string<ScalarType<TScalar>>
     */
    abstract public static function getClassIdentify() : string;
}

/**
* @extends ScalarType<int>
*/
class MyInt extends ScalarType {
	public static function getClassIdentify() : string {
		return MyInt::class;
	}
}

/**
* @extends ScalarType<string>
*/
class MyString extends ScalarType {
	public static function getClassIdentify() : string {
		return MyString::class;
	}
}

/**
* @extends ScalarType<lowercase-string>
*/
class MyLowerString extends ScalarType {
	public static function getClassIdentify() : string {
		return MyLowerString::class;
	}
}

/**
* @extends ScalarType<class-string>
*/
class MyClassString extends ScalarType {
	public static function getClassIdentify() : string {
		return MyClassString::class;
	}
}