protected function add_error( $stackPtr, $data = array() ) {
		if ( empty( $data ) ) {
			$data[] = $this->tokens[ $stackPtr ]['content'];
		}

		$this->phpcsFile->addError(
			'Overriding WordPress globals is prohibited. Found assignment to %s',
			$stackPtr,
			'Prohibited',
			$data
		);
	}