code: public static void consumeSubFilePaths(Path startDirectoryPath,
  			int maxDepth, Consumer<Path> consumer) {
  		consumeSubFilePaths(startDirectoryPath, maxDepth, JMPredicate.getTrue(),
  				consumer);
  	}
docs: Consume sub file paths.
  
  @param startDirectoryPath the start directory path
  @param maxDepth           the max depth
  @param consumer           the consumer