anchor.diff:        buffer.addBool(useFastaParser);
         buffer.addBool(isMixinSupportEnabled);
   
  +      // Append enabled experiments.
  +      buffer.addInt(enabledExperiments.length);
  +      for (String experimentName in enabledExperiments) {
  +        buffer.addString(experimentName);
  +      }
  +
         // Append error processors.
         buffer.addInt(errorProcessors.length);
         for (ErrorProcessor processor in errorProcessors) {
  
positive.code:    * Set the values of the cross-context options to match those in the given set
     * of [options].
     */
    void setCrossContextOptionsFrom(AnalysisOptions options);
  
    /**
  
negative.code:   AnalyzeFunctionBodiesPredicate get analyzeFunctionBodiesPredicate;
  
    /**
     * Return the maximum number of sources for which AST structures should be
     * kept in the cache.
     *
     * DEPRECATED: This setting no longer has any effect.
     */
    @deprecated
    int get cacheSize;
  