def inclusion_type=(inclusion_type)
      validator = EnumAttributeValidator.new('String', ["ADDITIVE", "INCLUSIVE"])
      unless validator.valid?(inclusion_type)
        fail ArgumentError, "invalid value for 'inclusion_type', must be one of #{validator.allowable_values}."
      end
      @inclusion_type = inclusion_type
    end
def inclusion_type=(inclusion_type)
      validator = EnumAttributeValidator.new('String', ["ADDITIVE", "INCLUSIVE"])
      unless validator.valid?(inclusion_type)
        fail ArgumentError, "invalid value for 'inclusion_type', must be one of #{validator.allowable_values}."
      end
      @inclusion_type = inclusion_type
    end
Custom attribute writer method checking allowed values (enum).
 @param [Object] inclusion_type Object to be assigned