protected function is_token_namespaced( $stackPtr ) {
		$prev = $this->phpcsFile->findPrevious( Tokens::$emptyTokens, ( $stackPtr - 1 ), null, true, null, true );

		if ( false === $prev ) {
			return false;
		}

		if ( \T_NS_SEPARATOR !== $this->tokens[ $prev ]['code'] ) {
			return false;
		}

		$before_prev = $this->phpcsFile->findPrevious( Tokens::$emptyTokens, ( $prev - 1 ), null, true, null, true );
		if ( false === $before_prev ) {
			return false;
		}

		if ( \T_STRING !== $this->tokens[ $before_prev ]['code']
			&& \T_NAMESPACE !== $this->tokens[ $before_prev ]['code']
		) {
			return false;
		}

		return true;
	}