code: func (c *GameLift) ValidateMatchmakingRuleSet(input *ValidateMatchmakingRuleSetInput) (*ValidateMatchmakingRuleSetOutput, error) {
  	req, out := c.ValidateMatchmakingRuleSetRequest(input)
  	return out, req.Send()
  }
docs: // ValidateMatchmakingRuleSet API operation for Amazon GameLift.
  //
  // Validates the syntax of a matchmaking rule or rule set. This operation checks
  // that the rule set is using syntactically correct JSON and that it conforms
  // to allowed property expressions. To validate syntax, provide a rule set JSON
  // string.
  //
  // Learn more
  //
  //    * Build a Rule Set (https://docs.aws.amazon.com/gamelift/latest/developerguide/match-rulesets.html)
  //
  // Related operations
  //
  //    * CreateMatchmakingConfiguration
  //
  //    * DescribeMatchmakingConfigurations
  //
  //    * UpdateMatchmakingConfiguration
  //
  //    * DeleteMatchmakingConfiguration
  //
  //    * CreateMatchmakingRuleSet
  //
  //    * DescribeMatchmakingRuleSets
  //
  //    * ValidateMatchmakingRuleSet
  //
  //    * DeleteMatchmakingRuleSet
  //
  // Returns awserr.Error for service API and SDK errors. Use runtime type assertions
  // with awserr.Error's Code and Message methods to get detailed information about
  // the error.
  //
  // See the AWS API reference guide for Amazon GameLift's
  // API operation ValidateMatchmakingRuleSet for usage and error information.
  //
  // Returned Error Codes:
  //   * ErrCodeInternalServiceException "InternalServiceException"
  //   The service encountered an unrecoverable internal failure while processing
  //   the request. Clients can retry such requests immediately or after a waiting
  //   period.
  //
  //   * ErrCodeUnsupportedRegionException "UnsupportedRegionException"
  //   The requested operation is not supported in the region specified.
  //
  //   * ErrCodeInvalidRequestException "InvalidRequestException"
  //   One or more parameter values in the request are invalid. Correct the invalid
  //   parameter values before retrying.
  //
  // See also, https://docs.aws.amazon.com/goto/WebAPI/gamelift-2015-10-01/ValidateMatchmakingRuleSet