protected override async Task<EvaluationResult> EvaluateImpl(SyntaxNode node, SemanticModel semanticModel, Solution solution)
{
var symbol = semanticModel.GetDeclaredSymbol(node);
var callers = await solution.FindReferences(symbol).ConfigureAwait(false);
if (!callers.Locations.Any(x => IsNotAssignment(x.Location)))
{
return new EvaluationResult
{
Snippet = node.ToFullString()
};
}
return null;
}