https://DevOpsCloud.io -- Cloud Monk Losang Jinpa, Ph.D., MCSE/MCT, GitOps DevOps Engineer

Java EnumSet.noneOf() is a static method that returns an empty Java EnumSet containing no elements. It is commonly used to initialize a set that will later be populated with enum constants. EnumSet.noneOf() is useful when you need to define an empty set of Java Enum constants and allows you to build a mutable set that can be populated dynamically. Introduced in Java 2004 with Java 5, it simplifies the creation of empty sets when working with enum types.

https://docs.oracle.com/javase/8/docs/api/java/util/EnumSet.html