code: public void mergeProjectProperties(final Properties properties, final Set<String> removePrefixes) {
          generateProjectPropertiesFile(getName(), propertyFile, true, properties, true, removePrefixes, false);
          loadProperties();
      }
docs: Update the project properties file by setting updating the given properties, and removing
  any properties that have a prefix in the removePrefixes set
  
  @param properties     new properties to put in the file
  @param removePrefixes prefixes of properties to remove from the file