­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ ­ types[ $key ] = $prop_type; } public function get( $key ) { return $this->types[ $key ] ?? null; } public function all(): array { return $this->types; } }