/// <summary>
/// Adds a <see cref="SqlHealthCheck"/> to the services.
/// </summary>
/// <param name="builder">The health check builder</param>
/// <param name="name">The health check name</param>
/// <param name="connectionBuilder">The connection builder function</param>
/// <param name="sql">The SQL to be executed agains the database. If null or empty, the connection will only be open.</param>
/// <param name="required">Is the health check required?</param>
/// <param name="tags">The collection of tags</param>
/// <returns>The builder after changes</returns>
/// <exception cref="ArgumentNullException"></exception>
public static IHealthCheckBuilder AddSql(this IHealthCheckBuilder builder,
string name, Func <DbConnection> connectionBuilder, string sql = null,
bool required = false, params string[] tags)
{
return(builder.AddSql(new SqlHealthCheckProperties(name, connectionBuilder, sql, required, tags)));
}