def inspect
      attributes = {
        input: input,
        output: output,
        prefix: prefix,
        active_color: active_color,
        error_color: error_color,
        enabled_color: enabled_color,
        help_color: help_color
      }
      "#<#{self.class}: #{attributes.each { |name, val| "@#{name}=#{val}" }}"
    end
def inspect
      attributes = {
        input: input,
        output: output,
        prefix: prefix,
        active_color: active_color,
        error_color: error_color,
        enabled_color: enabled_color,
        help_color: help_color
      }
      "#<#{self.class}: #{attributes.each { |name, val| "@#{name}=#{val}" }}"
    end
Inspect class name and public attributes
 @return [String]

 @api public