All

public class Document
{
    public void Show()
    {
        // Visible Code
    }
    
    public void Hide()
    {
        // !Visible Code
    }
}

int timeoutInMs = 1000;

int usedMemoryInKb = 42;

int brushSizeInPx = 20;

var stopwatch = Stopwatch.StartNew();

public void Method(Data data)
{
    // Use data.Value
}

public List<int> GetList()
{
    if (!isAvailable)
    {
        return new List<int>();
    }
}

public class XOptions
{
    // Properties
}

XService(IOptions<XOptions> options)
{
    XOptions _options = options.Value;
}

public void Test()
{
    // Arrange

    // Act

    // Assert
}

enum Enum
{
    Member
}

var enumString = nameof(Enum.Member);

try
{
    // Code that might throw
}
catch (Exception ex)
{
    log.Error(ex);
    throw;
}

if (condition)
{
    // Code
}