visual Directory Reference

Files
file	EmptyEntity.java [code]
file	EmptyVisualElement.java [code]
file	EmptyVisualElements.java [code]
file	JsonVisualConstraint.java [code]
file	JsonVisualConstraints.java [code]
file	JsonVisualFilter.java [code]
file	VisualElement.java [code]
file	VisualElements.java [code]