code: public function getFunctionArguments(Tokens $tokens, $methodIndex)
      {
          $argumentsStart = $tokens->getNextTokenOfKind($methodIndex, ['(']);
          $argumentsEnd = $tokens->findBlockEnd(Tokens::BLOCK_TYPE_PARENTHESIS_BRACE, $argumentsStart);
          $argumentAnalyzer = new ArgumentsAnalyzer();
          $arguments = [];
  
          foreach ($argumentAnalyzer->getArguments($tokens, $argumentsStart, $argumentsEnd) as $start => $end) {
              $argumentInfo = $argumentAnalyzer->getArgumentInfo($tokens, $start, $end);
              $arguments[$argumentInfo->getName()] = $argumentInfo;
          }
  
          return $arguments;
      }
docs: @param Tokens $tokens
  @param int    $methodIndex
  
  @return ArgumentAnalysis[]