ImmutableSortedSet<T>.ICollection<T>.Clear Method  
Definition
Important
Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.
Removes all the items from the collection.
 virtual void System.Collections.Generic.ICollection<T>.Clear() = System::Collections::Generic::ICollection<T>::Clear;void ICollection<T>.Clear();abstract member System.Collections.Generic.ICollection<T>.Clear : unit -> unit
override this.System.Collections.Generic.ICollection<T>.Clear : unit -> unitSub Clear () Implements ICollection(Of T).ClearImplements
Remarks
This member is an explicit interface member implementation. It can be used only when the ImmutableSortedSet<T> instance is cast to an ICollection<T> interface.
System.Collections.Immutable NuGet package
About immutable collections and how to install