/// <summary>
/// Validates that the parameter is a class. Otherwise, an <see cref="ArgumentException" /> is thrown.
/// </summary>
/// <param name="validator">The <see cref="ParameterValidator{TParameter}" />.</param>
/// <returns>The same instance of <see cref="ParameterValidator{TParameter}" />.</returns>
/// <exception cref="ArgumentException">Thrown when the parameter is not a class.</exception>
public static ParameterValidator <Type> IsClass(this ParameterValidator <Type> validator)
{
return(validator.IsClass(ExceptionMessages.VALUE_MUST_BE_A_CLASS));
}
