Search for Text e-signatures Leave feedback

using (Signature signature = new Signature("sample.pdf"))
{
    // setup search options
    TextSearchOptions searchOptions = new TextSearchOptions()
    {
        // search only page with specified number
        PageNumber = null,
        // specify as true to search all pages of a document
        AllPages = true,
        // specify text to search
        Text = "JS_",
        // specify text math type
        MatchType = TextMatchType.Contains
    };
    // search document
    List<TextSignature> signatures = signature.Search<TextSignature>(searchOptions);
    // output signatures
    foreach (TextSignature textSignature in signatures)
    {
         Console.Write($"Found Text signature: {textSignature.SignatureImplementation} " +
                       $"with text {textSignature.Text}.");
         Console.WriteLine($"Location at {textSignature.Left}-{textSignature.Top}. " +
                           $"Size is {textSignature.Width}x{textSignature.Height}.");
    }
}