java.util.function helper classes.See: Description
| Class | Description | 
|---|---|
| SingletonSupplier<T> | A  Supplierdecorator that caches a singleton result and
 makes it available fromSingletonSupplier.get()(nullable) andSingletonSupplier.obtain()(null-safe). | 
| SupplierUtils | Convenience utilities for  Supplierhandling. | 
java.util.function helper classes.