original_string: public function addParameter(ParameterSchema $schema)
      {
          $key = strtolower($schema->name);
  
          $this->parameters[$key] = $schema;
      }
code: public function addParameter(ParameterSchema $schema)
      {
          $key = strtolower($schema->name);
  
          $this->parameters[$key] = $schema;
      }
code_tokens: public function addParameter ( ParameterSchema $ schema ) { $ key = strtolower ( $ schema -> name ) ; $ this -> parameters [ $ key ] = $ schema ; }
docstring: Sets the named parameter metadata.
  
  @param ParameterSchema $schema
docstring_tokens: Sets the named parameter metadata .