type CredentialScope struct {
	Region  string
	Service string
}

type DefaultKey struct {
	Variant        EndpointVariant
	ServiceVariant ServiceVariant
}

type Endpoint struct {
	// True if the endpoint cannot be resolved for this partition/region/service
	Unresolveable aws.Ternary

	Hostname  string
	Protocols []string

	CredentialScope CredentialScope

	SignatureVersions []string

	// Indicates that this endpoint is deprecated.
	Deprecated aws.Ternary
}

type EndpointKey struct {
	Region         string
	Variant        EndpointVariant
	ServiceVariant ServiceVariant
}

type EndpointVariant uint64

const (
	// FIPSVariant indicates that the endpoint is FIPS capable.
	FIPSVariant EndpointVariant = 1 << (64 - 1 - iota)

	// DualStackVariant indicates that the endpoint is DualStack capable.
	DualStackVariant
)

type Endpoints map[EndpointKey]Endpoint

type Options struct {
	// Logger is a logging implementation that log events should be sent to.
	Logger logging.Logger

	// LogDeprecated indicates that deprecated endpoints should be logged to the provided logger.
	LogDeprecated bool

	// ResolvedRegion is the resolved region string. If provided (non-zero length) it takes priority
	// over the region name passed to the ResolveEndpoint call.
	ResolvedRegion string

	// Disable usage of HTTPS (TLS / SSL)
	DisableHTTPS bool

	// Instruct the resolver to use a service endpoint that supports dual-stack.
	// If a service does not have a dual-stack endpoint an error will be returned by the resolver.
	UseDualStackEndpoint aws.DualStackEndpointState

	// Instruct the resolver to use a service endpoint that supports FIPS.
	// If a service does not have a FIPS endpoint an error will be returned by the resolver.
	UseFIPSEndpoint aws.FIPSEndpointState

	// ServiceVariant is a bitfield of service specified endpoint variant data.
	ServiceVariant ServiceVariant
}

type Partition struct {
	ID                string
	RegionRegex       *regexp.Regexp
	PartitionEndpoint string
	IsRegionalized    bool
	Defaults          map[DefaultKey]Endpoint
	Endpoints         Endpoints
}

type Partitions []Partition

type ServiceVariant uint64