Microsoft.Maui.Controls.Compatibility.RelativeLayout.IRelativeList<T>.Add(T, System.Linq.Expressions.Expression<System.Func<System.Double>>, System.Linq.Expressions.Expression<System.Func<System.Double>>, System.Linq.Expressions.Expression<System.Func<System.Double>>, System.Linq.Expressions.Expression<System.Func<System.Double>>)