private CompilationUnitSyntax AddUsingDirectives(CompilationUnitSyntax root)
{
var hasStaticImport = root.HasStaticUsingOf(Helpers.ContractClassName);
var newUnit = hasStaticImport
? root
: root.AddUsingIfNotExists(typeof(Contract).Namespace);
return(_provider
.GetImportNamespaces(_parameter)
.Aggregate(
newUnit,
(node, import) => node.AddUsingIfNotExists(import)));
}