 can check what kind of constraint is being added/removed with the 
<code>ConstraintType</code> property. You can check if an operation is a constraint operation 
by testing if it is a <code>Rivert.Operations.ConstraintOperation</code>.  Here's an example:</p>

<p>The add/remove index operation has a 'SetIndexName(string)' method. You can check 
if an operation is an index operation by testing if it is a 
<code>Rivet.Operations.IndexOperation</code> object.</p>

<p>Here's some sample code demonstrating all 