original_string: public function signatureParameters(array $protocolParameters, array $requestOptions = [])
      {
          $parameters = $protocolParameters;
  
          if ($this->requestOptionsHas($requestOptions, 'query')) {
              $parameters = array_merge($parameters, $requestOptions['query']);
          }
  
          if ($this->requestOptionsHas($requestOptions, 'form_params')) {
              $parameters = array_merge($parameters, $requestOptions['form_params']);
          }
  
          return $parameters;
      }
code: public function signatureParameters(array $protocolParameters, array $requestOptions = [])
      {
          $parameters = $protocolParameters;
  
          if ($this->requestOptionsHas($requestOptions, 'query')) {
              $parameters = array_merge($parameters, $requestOptions['query']);
          }
  
          if ($this->requestOptionsHas($requestOptions, 'form_params')) {
              $parameters = array_merge($parameters, $requestOptions['form_params']);
          }
  
          return $parameters;
      }
code_tokens: public function signatureParameters ( array $ protocolParameters , array $ requestOptions = [ ] ) { $ parameters = $ protocolParameters ; if ( $ this -> requestOptionsHas ( $ requestOptions , 'query' ) ) { $ parameters = array_merge ( $ parameters , $ requestOptions [ 'query' ] ) ; } if ( $ this -> requestOptionsHas ( $ requestOptions , 'form_params' ) ) { $ parameters = array_merge ( $ parameters , $ requestOptions [ 'form_params' ] ) ; } return $ parameters ; }
docstring: Build the signature parameters to be signed.
  
  @param array $protocolParameters
  @param array $requestOptions
  
  @return array
docstring_tokens: Build the signature parameters to be signed .