src/Nether/Surface.php
public function
	Define($Key,$Val) {
	/*//
	@date 2017-12-20
	add data in storage only if it does not yet exist.
	//*/

		if(!array_key_exists($Key,$this->Storage))
		$this->Storage[$Key] = $Val;

		return $this;
	}
public function
	Define($Key,$Val) {
	/*//
	@date 2017-12-20
	add data in storage only if it does not yet exist.
	//*/

		if(!array_key_exists($Key,$this->Storage))
		$this->Storage[$Key] = $Val;

		return $this;
	}
data storage api ////////////////////////////////////////////////////////