System.Core 4.0.0.0 System.Linq.Expressions.Expression System.Diagnostics.DebuggerTypeProxy(typeof(System.Linq.Expressions.Expression/DefaultExpressionProxy)) To be added. Represents the default value of a type or an empty expression. Method 4.0.0.0 System.Linq.Expressions.Expression To be added. To be added. To be added. To be added. Property 4.0.0.0 System.Linq.Expressions.ExpressionType To be added. To be added. Returns the node type of this expression. Extension nodes should return when overriding this method. Property 4.0.0.0 System.Type To be added. To be added. Gets the static type of the expression that this represents.