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This is a singleton object that is used to indicate a void return result.
public ref class AutomationNull abstract sealed
public static class AutomationNull
type AutomationNull = class
Public Class AutomationNull
It's a singleton class. Sealed to prevent subclassing. Any operation that returns no actual value should return this object AutomationNull.Value. Anything that evaluates an MSH expression should be prepared to deal with receiving this result and discarding it. When received in an evaluation where a value is required, it should be replaced with null.
Returns the singleton instance of this object.