code: public void searchConfigurationFiles(final String wildcard, final String extension) {
  
          // Store parameters
          this.configurationFileWildcard = wildcard;
          this.configurationFileExtension = extension;
  
          // Search and analyze all properties files available
          readPropertiesFiles();
      }
docs: Search configuration files according to the parameters provided.
  
  @param wildcard the regex wildcard (must not be null)
  @param extension the file extension without the first dot (ie: properties) (must not be null)