/**
 * Ways to continue visiting a snapshot hierarchy after an entry has been visited.
 *
 * @see java.nio.file.FileVisitResult
 */
public enum SnapshotVisitResult {

    /**
     * Continue visiting. When returned after visiting a directory,
     * the entries in the directory will be visited next.
     */
    CONTINUE,

    /**
     * Terminate visiting immediately.
     */
    TERMINATE,

        }
    }

    private static void checkForCyclesFor(TaskInternal task, Set<TaskInternal> visited, Set<TaskInternal> visiting) {
        if (visited.contains(task)) {
            // Already checked
            return;
        }
        if (!visiting.add(task)) {
            // Visiting dependencies -> have found a cycle

		if len(name) == 0 {
			// continue visiting
			return true
		}
		// delegate to visitor
		return visitor(name)
	}
}

// VisitContainers invokes the visitor function with a pointer to every container
// spec in the given pod spec with type set in mask. If visitor returns false,
// visiting is short-circuited. VisitContainers returns true if visiting completes,
// false if visiting was short-circuited.

                cycle.removeLast();
                stateMap.put(v, DfsState.VISITED);
            } else if (state == DfsState.VISITING) {
                // we are already visiting this vertex, this mean we have a cycle
                int pos = cycle.lastIndexOf(v.label);
                List<String> ret = cycle.subList(pos, cycle.size());
                ret.add(v.label);
                return ret;
            }
        }

    /**
     * Called when starting to visit a file collection. Can return true to continue with visiting or false to skip this collection and its contents.
     *
     * <p>When a file collection represents a container of file collections, the children of the file collection are visited in order. Visiting a child works in the

                    stateMap.put(v, DfsState.VISITED);
                } else if (state == DfsState.VISITING) {
                    // we are already visiting this vertex, this mean we have a cycle
                    int pos = cycle.lastIndexOf(v);
                    List<String> ret = cycle.subList(pos, cycle.size());
                    ret.add(v);
                    return ret;
                }
            }
        }

                cycle.removeLast();
                stateMap.put(v, DfsState.VISITED);
            } else if (state == DfsState.VISITING) {
                // we are already visiting this vertex, this mean we have a cycle
                int pos = cycle.lastIndexOf(v.label);
                List<String> ret = cycle.subList(pos, cycle.size());
                ret.add(v.label);
                return ret;
            }
        }

                    stateMap.put(v, DfsState.VISITED);
                } else if (state == DfsState.VISITING) {
                    // we are already visiting this vertex, this mean we have a cycle
                    int pos = cycle.lastIndexOf(v);
                    List<String> ret = cycle.subList(pos, cycle.size());
                    ret.add(v);
                    return ret;
                }
            }
        }

//
//	var do func(ir.Node) bool
//	do = func(x ir.Node) bool {
//		... processing BEFORE visiting children ...
//		if ... should visit children ... {
//			ir.DoChildren(x, do)
//			... processing AFTER visiting children ...
//		}
//		if ... should stop parent DoChildren call from visiting siblings ... {
//			return true
//		}
//		return false
//	}
//	do(root)
//

// and returns true if visiting should continue.
type ContainerVisitorWithPath func(container *api.Container, path *field.Path) bool

// VisitContainersWithPath invokes the visitor function with a pointer to the spec
// of every container in the given pod spec and the field.Path to that container.
// If visitor returns false, visiting is short-circuited. VisitContainersWithPath returns true if visiting completes,