public function getStaticSummonerSpells( bool $data_by_key = false, string $locale = 'en_US', string $version = null ): StaticData\StaticSummonerSpellListDto
	{
		$result = false;
		try
		{
			// Fetch StaticData from JSON files
			if ($data_by_key)
				$result = DataDragonAPI::getStaticSummonerSpellsWithKeys($locale, $version);
			else
				$result = DataDragonAPI::getStaticSummonerSpells($locale, $version);
			if (!$result) throw new ServerException("StaticData failed to be loaded.");

			$this->result_data = $result;
		}
		catch (DataDragonExceptions\SettingsException $ex)
		{
			throw new SettingsException("DataDragon API was not initialized properly! StaticData endpoints cannot be used.");
		}
		catch (DataDragonExceptions\ArgumentException $ex)
		{
			throw new RequestException($ex->getMessage(), $ex->getCode());
		}
		finally
		{
			// Parse array and create instances
			return new StaticData\StaticSummonerSpellListDto($result, $this);
		}
	}