# File lib/apipie/param_description.rb, line 85
    def validate(value)
      return true if @allow_nil && value.nil?
      return true if @allow_blank && value.blank?
      value = normalized_value(value)
      if (!@allow_nil && value.nil?) || !@validator.valid?(value)
        error = @validator.error
        error = ParamError.new(error) unless error.is_a? StandardError
        raise error
      end
    end