IMethodSymbol Interface Extensions

Extension Method	Summary
IsOrdinaryExtensionMethod(IMethodSymbol)	Returns true if this method is an ordinary extension method (i.e. "this" parameter has not been removed).
IsReducedExtensionMethod(IMethodSymbol)	Returns true if this method is a reduced extension method.
ReducedFromOrSelf(IMethodSymbol)	If this method is a reduced extension method, returns the definition of extension method from which this was reduced. Otherwise, returns this symbol.