public function addSource($key, $value) {
		Validator::checkMemberName($key);
		
		$this->source[$key] = $value;
	}
public function addSource($key, $value) {
		Validator::checkMemberName($key);
		
		$this->source[$key] = $value;
	}
public function addSource ( $ key , $ value ) { Validator :: checkMemberName ( $ key ) ; $ this -> source [ $ key ] = $ value ; }
add the source of the error

@param string $key   {@see ->blameJsonPointer(), ->blameQueryParameter()}
@param string $value
add the source of the error