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type Config struct {
	RA struct {
		cmd.ServiceConfig
		cmd.HostnamePolicyConfig

		RateLimitPoliciesFilename string `validate:"required"`

		MaxContactsPerRegistration int

		SAService           *cmd.GRPCClientConfig
		VAService           *cmd.GRPCClientConfig
		CAService           *cmd.GRPCClientConfig
		OCSPService         *cmd.GRPCClientConfig
		PublisherService    *cmd.GRPCClientConfig
		AkamaiPurgerService *cmd.GRPCClientConfig

		Limiter struct {
			// Redis contains the configuration necessary to connect to Redis
			// for rate limiting. This field is required to enable rate
			// limiting.
			Redis *bredis.Config `validate:"required_with=Defaults"`

			// Defaults is a path to a YAML file containing default rate limits.
			// See: ratelimits/README.md for details. This field is required to
			// enable rate limiting. If any individual rate limit is not set,
			// that limit will be disabled. Limits passed in this file must be
			// identical to those in the WFE.
			//
			// Note: At this time, only the Failed Authorizations rate limit is
			// necessary in the RA.
			Defaults string `validate:"required_with=Redis"`

			// Overrides is a path to a YAML file containing overrides for the
			// default rate limits. See: ratelimits/README.md for details. If
			// this field is not set, all requesters will be subject to the
			// default rate limits. Overrides passed in this file must be
			// identical to those in the WFE.
			//
			// Note: At this time, only the Failed Authorizations overrides are
			// necessary in the RA.
			Overrides string
		}

		// MaxNames is the maximum number of subjectAltNames in a single cert.
		// The value supplied MUST be greater than 0 and no more than 100. These
		// limits are per section 7.1 of our combined CP/CPS, under "DV-SSL
		// Subscriber Certificate". The value must match the CA and WFE
		// configurations.
		MaxNames int `validate:"required,min=1,max=100"`

		// AuthorizationLifetimeDays defines how long authorizations will be
		// considered valid for. Given a value of 300 days when used with a 90-day
		// cert lifetime, this allows creation of certs that will cover a whole
		// year, plus a grace period of a month.
		AuthorizationLifetimeDays int `validate:"required,min=1,max=397"`

		// PendingAuthorizationLifetimeDays defines how long authorizations may be in
		// the pending state. If you can't respond to a challenge this quickly, then
		// you need to request a new challenge.
		PendingAuthorizationLifetimeDays int `validate:"required,min=1,max=29"`

		// GoodKey is an embedded config stanza for the goodkey library.
		GoodKey goodkey.Config

		// OrderLifetime is how far in the future an Order's expiration date should
		// be set when it is first created.
		OrderLifetime config.Duration

		// FinalizeTimeout is how long the RA is willing to wait for the Order
		// finalization process to take. This config parameter only has an effect
		// if the AsyncFinalization feature flag is enabled. Any systems which
		// manage the shutdown of an RA must be willing to wait at least this long
		// after sending the shutdown signal, to allow background goroutines to
		// complete.
		FinalizeTimeout config.Duration `validate:"-"`

		// CTLogs contains groupings of CT logs organized by what organization
		// operates them. When we submit precerts to logs in order to get SCTs, we
		// will submit the cert to one randomly-chosen log from each group, and use
		// the SCTs from the first two groups which reply. This allows us to comply
		// with various CT policies that require (for certs with short lifetimes
		// like ours) two SCTs from logs run by different operators. It also holds
		// a `Stagger` value controlling how long we wait for one operator group
		// to respond before trying a different one.
		CTLogs ctconfig.CTConfig
		// InformationalCTLogs are a set of CT logs we will always submit to
		// but won't ever use the SCTs from. This may be because we want to
		// test them or because they are not yet approved by a browser/root
		// program but we still want our certs to end up there.
		InformationalCTLogs []ctconfig.LogDescription

		// IssuerCerts are paths to all intermediate certificates which may have
		// been used to issue certificates in the last 90 days. These are used to
		// generate OCSP URLs to purge during revocation.
		IssuerCerts []string `validate:"min=1,dive,required"`

		Features features.Config
	}

	PA cmd.PAConfig

	Syslog        cmd.SyslogConfig
	OpenTelemetry cmd.OpenTelemetryConfig
}