move default constants fo internal,

 mark them deprecated

Author: rekby

config/defaults.go

@@ -3,30 +3,58 @@ package config
 import (
 	"crypto/tls"
 	"crypto/x509"
-	"time"
 
 	"google.golang.org/grpc"
 	grpcCredentials "google.golang.org/grpc/credentials"
 	"google.golang.org/grpc/credentials/insecure"
-	"google.golang.org/grpc/keepalive"
 
 	"github.com/ydb-platform/ydb-go-sdk/v3/balancers"
 	"github.com/ydb-platform/ydb-go-sdk/v3/credentials"
+	"github.com/ydb-platform/ydb-go-sdk/v3/internal/config"
 	"github.com/ydb-platform/ydb-go-sdk/v3/internal/stack"
 	"github.com/ydb-platform/ydb-go-sdk/v3/trace"
 )
 
 var (
 	// DefaultKeepaliveInterval contains default duration between grpc keepalive
-	DefaultKeepaliveInterval    = 10 * time.Second
-	MinKeepaliveInterval        = 10 * time.Second
-	DefaultDialTimeout          = 5 * time.Second
-	DefaultGRPCMsgSize          = 64 * 1024 * 1024 // 64MB
-	DefaultGrpcConnectionPolicy = keepalive.ClientParameters{
-		Time:                DefaultKeepaliveInterval,
-		Timeout:             MinKeepaliveInterval,
-		PermitWithoutStream: true,
-	}
+	//
+	// Will be removed after Aug 2024.
+	// Write Issue if you need the variable https://github.com/ydb-platform/ydb-go-sdk/issues/new/choose
+	// Read about versioning policy: https://github.com/ydb-platform/ydb-go-sdk/blob/master/VERSIONING.md#deprecated
+	DefaultKeepaliveInterval = config.DefaultKeepaliveInterval // 10 * time.Second
+
+	// MinKeepaliveInterval
+	//
+	// Will be removed after Aug 2024.
+	// Write Issue if you need the variable https://github.com/ydb-platform/ydb-go-sdk/issues/new/choose
+	// Read about versioning policy: https://github.com/ydb-platform/ydb-go-sdk/blob/master/VERSIONING.md#deprecated
+	MinKeepaliveInterval = config.MinKeepaliveInterval // 10 * time.Second
+
+	// DefaultDialTimeout
+	//
+	// Will be removed after Aug 2024.
+	// Write Issue if you need the variable https://github.com/ydb-platform/ydb-go-sdk/issues/new/choose
+	// Read about versioning policy: https://github.com/ydb-platform/ydb-go-sdk/blob/master/VERSIONING.md#deprecated
+	DefaultDialTimeout = config.DefaultDialTimeout // 5 * time.Second
+
+	// DefaultGRPCMsgSize
+	//
+	// Will be removed after Aug 2024.
+	// Write Issue if you need the variable https://github.com/ydb-platform/ydb-go-sdk/issues/new/choose
+	// Read about versioning policy: https://github.com/ydb-platform/ydb-go-sdk/blob/master/VERSIONING.md#deprecated
+	DefaultGRPCMsgSize = config.DefaultGRPCMsgSize // 64 * 1024 * 1024 // 64MB
+
+	// DefaultGrpcConnectionPolicy
+	//
+	// Will be removed after Aug 2024.
+	// Write Issue if you need the variable https://github.com/ydb-platform/ydb-go-sdk/issues/new/choose
+	// Read about versioning policy: https://github.com/ydb-platform/ydb-go-sdk/blob/master/VERSIONING.md#deprecated
+	DefaultGrpcConnectionPolicy = config.DefaultGrpcConnectionPolicy
+	//DefaultGrpcConnectionPolicy = keepalive.ClientParameters{
+	//	Time:                DefaultKeepaliveInterval,
+	//	Timeout:             MinKeepaliveInterval,
+	//	PermitWithoutStream: true,
+	//}
 )
 
 func defaultGrpcOptions(secure bool, tlsConfig *tls.Config) (opts []grpc.DialOption) {

internal/config/defaults.go

@@ -0,0 +1,20 @@
+package config
+
+import (
+	"time"
+
+	"google.golang.org/grpc/keepalive"
+)
+
+var (
+	// DefaultKeepaliveInterval contains default duration between grpc keepalive
+	DefaultKeepaliveInterval    = 10 * time.Second
+	MinKeepaliveInterval        = 10 * time.Second
+	DefaultDialTimeout          = 5 * time.Second
+	DefaultGRPCMsgSize          = 64 * 1024 * 1024 // 64MB
+	DefaultGrpcConnectionPolicy = keepalive.ClientParameters{
+		Time:                DefaultKeepaliveInterval,
+		Timeout:             MinKeepaliveInterval,
+		PermitWithoutStream: true,
+	}
+)