sqlite

package
v2.2.0 Latest Latest
Warning

This package is not in the latest version of its module.

 Go to latest Published: Jul 29, 2026 License: MIT Imports: 28 Imported by: 0

Documentation

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

func CanonicalDatabasePath 

func CanonicalDatabasePath(path string) (string, error)

func DefaultTestUIPath 

func DefaultTestUIPath(root string) string

func V16Identity 

func V16Identity() (version, fingerprint string)

V16Identity returns the only legacy schema accepted by the v2 migrator.

func VerifyV16Runner 

func VerifyV16Runner(ctx context.Context, runner V16Runner) error

VerifyV16Runner validates an exact v16 schema through the package SQL runner contract. It is internal migration infrastructure.

Types

type ExportedV16State 

type ExportedV16State struct {
	Session        []byte
	Prompt         []byte
	ForkOperations []internalstorage.ForkOperationRecord
	Threads        int
	Entries        int
}

ExportedV16State is the strict logical state written by the v2 migrator.

func ExportV16State 

func ExportV16State(ctx context.Context, runner V16Runner) (ExportedV16State, error)

ExportV16State decodes canonical v16 thread, journal, and prompt data from one already-validated read snapshot.

type MaintenanceError 

type MaintenanceError struct {
	Reason      MaintenanceErrorReason
	Retryable   bool
	SafeToRetry bool
	Err         error
}

func (*MaintenanceError) Error 

func (e *MaintenanceError) Error() string

func (*MaintenanceError) Unwrap 

func (e *MaintenanceError) Unwrap() error

type MaintenanceErrorReason 

type MaintenanceErrorReason string
const (
	MaintenanceErrorInvalidRequest MaintenanceErrorReason = "invalid_request"
	MaintenanceErrorCancelled      MaintenanceErrorReason = "cancelled"
	MaintenanceErrorBusy           MaintenanceErrorReason = "busy"
	MaintenanceErrorPermission     MaintenanceErrorReason = "permission_denied"
	MaintenanceErrorIO             MaintenanceErrorReason = "io_error"
	MaintenanceErrorCorrupt        MaintenanceErrorReason = "corrupt"
	MaintenanceErrorStale          MaintenanceErrorReason = "inspection_stale"
	MaintenanceErrorLeaseMismatch  MaintenanceErrorReason = "lease_policy_mismatch"
)

type MaintenanceInspection 

type MaintenanceInspection struct {
	Kind                 MaintenanceStoreKind
	State                MaintenanceState
	Exists               bool
	Empty                bool
	Observed             storage.StoreSchemaIdentity
	Current              storage.StoreSchemaIdentity
	Migratable           []storage.StoreSchemaMigrationSource
	PersistedLeasePolicy *sessiontree.LeasePolicy
	RequestedLeasePolicy sessiontree.LeasePolicy
	LeasePolicyMatches   bool
	AutomaticMigration   bool
	RequiresExclusive    bool
	Retryable            bool
	SafeToRetry          bool
	Reason               string
	SafeDetail           string
}

func Inspect 

func Inspect(ctx context.Context, path string, requested sessiontree.LeasePolicy) (MaintenanceInspection, error)

type MaintenancePhase 

type MaintenancePhase string
const (
	MaintenancePhasePreflight MaintenancePhase = "preflight"
	MaintenancePhaseWaiting   MaintenancePhase = "waiting_for_exclusive_access"
	MaintenancePhaseMigrating MaintenancePhase = "migrating"
	MaintenancePhaseVerifying MaintenancePhase = "verifying"
)

type MaintenanceProgress 

type MaintenanceProgress struct {
	Sequence     uint64
	Phase        MaintenancePhase
	Status       MaintenanceStatus
	Step         int
	Total        int
	SafeToCancel bool
	Committed    bool
	RolledBack   bool
	Retryable    bool
	SafeToRetry  bool
	Reason       string
}

type MaintenanceState 

type MaintenanceState string
const (
	MaintenanceStateMissing          MaintenanceState = "missing"
	MaintenanceStateEmpty            MaintenanceState = "empty"
	MaintenanceStateCurrent          MaintenanceState = "current"
	MaintenanceStateUpgradeable      MaintenanceState = "upgradeable"
	MaintenanceStateUnsupportedOlder MaintenanceState = "unsupported_older"
	MaintenanceStateFuture           MaintenanceState = "future"
	MaintenanceStateDrifted          MaintenanceState = "drifted"
	MaintenanceStateCorrupt          MaintenanceState = "corrupt"
	MaintenanceStateBusy             MaintenanceState = "busy"
	MaintenanceStatePermissionDenied MaintenanceState = "permission_denied"
	MaintenanceStateIOError          MaintenanceState = "io_error"
)

type MaintenanceStatus 

type MaintenanceStatus string
const (
	MaintenanceStatusRunning   MaintenanceStatus = "running"
	MaintenanceStatusReady     MaintenanceStatus = "ready"
	MaintenanceStatusFailed    MaintenanceStatus = "failed"
	MaintenanceStatusCancelled MaintenanceStatus = "cancelled"
)

type MaintenanceStoreKind 

type MaintenanceStoreKind string
const (
	MaintenanceStoreKindUnknown MaintenanceStoreKind = "unknown"
	MaintenanceStoreKindFloret  MaintenanceStoreKind = "floret"
)

type MaintenanceVerification 

type MaintenanceVerification struct {
	Inspection MaintenanceInspection
	Checks     []VerificationCheck
}

func Verify 

func Verify(ctx context.Context, path string, requested sessiontree.LeasePolicy) (MaintenanceVerification, error)

type MigrationMode 

type MigrationMode string
const (
	MigrationModePlan  MigrationMode = "plan"
	MigrationModeApply MigrationMode = "apply"
)

type MigrationRequest 

type MigrationRequest struct {
	Mode           MigrationMode
	ExpectedSchema storage.StoreSchemaIdentity
	LeasePolicy    sessiontree.LeasePolicy
	Progress       func(MaintenanceProgress)
}

type MigrationResult 

type MigrationResult struct {
	Mode        MigrationMode
	Before      MaintenanceInspection
	After       MaintenanceInspection
	Steps       []MigrationStep
	Status      MaintenanceStatus
	Changed     bool
	Committed   bool
	RolledBack  bool
	Retryable   bool
	SafeToRetry bool
	Reason      string
}

func Migrate 

func Migrate(ctx context.Context, path string, request MigrationRequest) (result MigrationResult, resultErr error)

type MigrationStep 

type MigrationStep struct {
	From storage.StoreSchemaIdentity
	To   storage.StoreSchemaIdentity
	Code string
}

type OpenPrecondition 

type OpenPrecondition struct {
	State    MaintenanceState
	Observed storage.StoreSchemaIdentity
}

OpenPrecondition binds a Store open to a previously observed maintenance state. It is internal to Floret's public runtime adapter.

type Option 

type Option func(*options)

func WithAuthorityClock 

func WithAuthorityClock(now func() time.Time) Option

func WithLeasePolicy 

func WithLeasePolicy(policy sessiontree.LeasePolicy) Option

func WithOpenPrecondition 

func WithOpenPrecondition(precondition OpenPrecondition) Option

type Store 

type Store struct {
	// contains filtered or unexported fields
}

func Open 

func Open(path string, opts ...Option) (*Store, error)

func OpenContext 

func OpenContext(ctx context.Context, path string, opts ...Option) (*Store, error)

func (*Store) AcquireTurnLease 

func (s *Store) AcquireTurnLease(ctx context.Context, request sessiontree.TurnLease) (sessiontree.TurnLease, error)

func (*Store) ActiveToolset 

func (s *Store) ActiveToolset(ctx context.Context, promptScopeID, provider, model string) (cache.ToolsetSnapshot, bool, error)

func (*Store) ActiveTurnLease 

func (s *Store) ActiveTurnLease(ctx context.Context, threadID string) (sessiontree.TurnLease, bool, error)

func (*Store) AdmitPendingToolCompletion 

func (s *Store) AdmitPendingToolCompletion(ctx context.Context, req sessiontree.AdmitPendingToolCompletionRequest) (sessiontree.AdmitPendingToolCompletionResult, error)

func (*Store) AdmitSubAgentInput 

func (s *Store) AdmitSubAgentInput(ctx context.Context, req sessiontree.AdmitSubAgentInputRequest) (sessiontree.AdmitSubAgentInputResult, error)

func (*Store) AdmitTurn 

func (s *Store) AdmitTurn(ctx context.Context, req sessiontree.AdmitTurnRequest) (sessiontree.AdmitTurnResult, error)

func (*Store) Append 

func (s *Store) Append(ctx context.Context, entry sessiontree.Entry, opts sessiontree.AppendOptions) (sessiontree.Entry, error)

func (*Store) AppendProviderRequest 

func (s *Store) AppendProviderRequest(ctx context.Context, req cache.ProviderRequestRecord) error

func (*Store) AppendProviderResponse 

func (s *Store) AppendProviderResponse(ctx context.Context, resp cache.ProviderResponseRecord) error

func (*Store) AppendSegment 

func (s *Store) AppendSegment(ctx context.Context, seg cache.Segment) error

func (*Store) AppendToolset 

func (s *Store) AppendToolset(ctx context.Context, snap cache.ToolsetSnapshot) error

func (*Store) Approval 

func (s *Store) Approval(ctx context.Context, approvalID string) (sessiontree.ApprovalRecord, error)

func (*Store) ArtifactClosure 

func (s *Store) ArtifactClosure(ctx context.Context, req sessiontree.ArtifactClosureRequest) (artifact.Closure, error)

func (*Store) AuthorityLeasePolicy 

func (s *Store) AuthorityLeasePolicy() sessiontree.LeasePolicy

func (*Store) BeginAutomaticThreadTitle 

func (s *Store) BeginAutomaticThreadTitle(ctx context.Context, req sessiontree.BeginAutomaticThreadTitleRequest) (sessiontree.ThreadTitleMutationResult, error)

func (*Store) BeginCompaction 

func (s *Store) BeginCompaction(ctx context.Context, req sessiontree.BeginCompactionRequest) (sessiontree.BeginCompactionResult, error)

func (*Store) BeginEffectDispatch 

func (s *Store) BeginEffectDispatch(ctx context.Context, req sessiontree.BeginEffectDispatchRequest) (sessiontree.EffectAttempt, error)

func (*Store) CancelApprovalBatch 

func (s *Store) CancelApprovalBatch(ctx context.Context, req sessiontree.CancelApprovalBatchRequest) (sessiontree.CancelApprovalBatchResult, error)

func (*Store) CanonicalTurnEntries 

func (s *Store) CanonicalTurnEntries(ctx context.Context, threadID, turnID, runID string) ([]sessiontree.Entry, bool, error)

func (*Store) Close 

func (s *Store) Close() error

func (*Store) CommitApprovalDispatch 

func (s *Store) CommitApprovalDispatch(ctx context.Context, req sessiontree.CommitApprovalDispatchRequest) (sessiontree.CommitApprovalDispatchResult, error)

func (*Store) CommitForkOperation 

func (s *Store) CommitForkOperation(ctx context.Context, req storage.ForkOperationCommitRequest) (storage.ForkOperationRecord, bool, error)

func (*Store) CompareAndSwapAgentTodoState 

func (s *Store) CompareAndSwapAgentTodoState(ctx context.Context, state sessiontree.AgentTodoState, expectedVersion int64) (sessiontree.AgentTodoState, error)

func (*Store) CompleteAutomaticThreadTitle 

func (s *Store) CompleteAutomaticThreadTitle(ctx context.Context, req sessiontree.CompleteAutomaticThreadTitleRequest) (sessiontree.ThreadTitleMutationResult, error)

func (*Store) CreateRoot 

func (s *Store) CreateRoot(ctx context.Context, req sessiontree.CreateRootRequest) (sessiontree.CreateRootResult, error)

func (*Store) CreateThread 

func (s *Store) CreateThread(ctx context.Context, meta sessiontree.ThreadMeta) (sessiontree.ThreadMeta, error)

func (*Store) CreateThreadWithInitialEntry 

func (s *Store) CreateThreadWithInitialEntry(ctx context.Context, meta sessiontree.ThreadMeta, initial sessiontree.Entry) (sessiontree.ThreadMeta, sessiontree.Entry, error)

func (*Store) DBPath 

func (s *Store) DBPath() string

func (*Store) DeleteMetadata 

func (s *Store) DeleteMetadata(ctx context.Context, namespace, id string) error

func (*Store) DeletePromptScopes 

func (s *Store) DeletePromptScopes(ctx context.Context, promptScopeIDs ...string) error

func (*Store) DeleteProviderState 

func (s *Store) DeleteProviderState(ctx context.Context, threadID string) error

func (*Store) DeleteRootTree 

func (s *Store) DeleteRootTree(ctx context.Context, rootThreadID string) (sessiontree.DeleteRootTreeResult, error)

func (*Store) Entries 

func (s *Store) Entries(ctx context.Context, threadID string) ([]sessiontree.Entry, error)

func (*Store) Entry 

func (s *Store) Entry(ctx context.Context, threadID, entryID string) (sessiontree.Entry, error)

func (*Store) FailAutomaticThreadTitle 

func (s *Store) FailAutomaticThreadTitle(ctx context.Context, req sessiontree.FailAutomaticThreadTitleRequest) (sessiontree.ThreadTitleMutationResult, error)

func (*Store) FailForkOperation 

func (s *Store) FailForkOperation(ctx context.Context, req storage.ForkOperationFailureRequest) (storage.ForkOperationRecord, bool, error)

func (*Store) FinalizeApproval 

func (s *Store) FinalizeApproval(ctx context.Context, req sessiontree.FinalizeApprovalRequest) (sessiontree.FinalizeApprovalResult, error)

func (*Store) FinishCompaction 

func (s *Store) FinishCompaction(ctx context.Context, req sessiontree.FinishCompactionRequest) (sessiontree.FinishCompactionResult, error)

func (*Store) FinishEffectDispatch 

func (s *Store) FinishEffectDispatch(ctx context.Context, req sessiontree.FinishEffectDispatchRequest) (sessiontree.FinishEffectDispatchResult, error)

func (*Store) FinishSubAgentClose 

func (s *Store) FinishSubAgentClose(ctx context.Context, req sessiontree.FinishSubAgentCloseRequest) (sessiontree.FinishSubAgentCloseResult, error)

func (*Store) FinishTurn 

func (s *Store) FinishTurn(ctx context.Context, req sessiontree.FinishTurnRequest) (sessiontree.FinishTurnResult, error)

func (*Store) Fork 

func (s *Store) Fork(ctx context.Context, opts sessiontree.ForkOptions) (sessiontree.ThreadMeta, error)

func (*Store) ForkOperation 

func (s *Store) ForkOperation(ctx context.Context, operationID string) (storage.ForkOperationRecord, error)

func (*Store) ForkWithInitialEntry 

func (s *Store) ForkWithInitialEntry(ctx context.Context, opts sessiontree.ForkOptions, initial sessiontree.Entry) (sessiontree.ThreadMeta, sessiontree.Entry, error)

func (*Store) InspectSubAgentThreadAuthority 

func (s *Store) InspectSubAgentThreadAuthority(ctx context.Context, parentThreadID, childThreadID string) (sessiontree.SubAgentThreadAuthoritySnapshot, error)

func (*Store) InspectThreadAuthority 

func (s *Store) InspectThreadAuthority(ctx context.Context, threadID string) (sessiontree.ThreadAuthoritySnapshot, error)

func (*Store) LatestPressureAnchor 

func (s *Store) LatestPressureAnchor(ctx context.Context, promptScopeID, providerName, model string) (cache.PressureAnchorState, bool, error)

func (*Store) ListCanonicalTurns 

func (s *Store) ListCanonicalTurns(ctx context.Context, opts sessiontree.ListCanonicalTurnsOptions) (sessiontree.CanonicalTurnsPage, error)

func (*Store) ListMetadata 

func (s *Store) ListMetadata(ctx context.Context, namespace string) ([]storage.MetadataRecord, error)

func (*Store) ListSubAgentInputs 

func (s *Store) ListSubAgentInputs(ctx context.Context, childThreadID string, state sessiontree.SubAgentInputState) ([]sessiontree.SubAgentInputRecord, error)

func (*Store) ListThreads 

func (s *Store) ListThreads(ctx context.Context, opts sessiontree.ListThreadsOptions) ([]sessiontree.ThreadMeta, error)

func (*Store) MarkEffectUnknown 

func (s *Store) MarkEffectUnknown(ctx context.Context, req sessiontree.MarkEffectUnknownRequest) (sessiontree.EffectAttempt, error)

func (*Store) Metadata 

func (s *Store) Metadata(ctx context.Context, namespace, id string) (storage.MetadataRecord, error)

func (*Store) MoveLeaf 

func (s *Store) MoveLeaf(ctx context.Context, threadID, entryID string) error

func (*Store) Path 

func (s *Store) Path(ctx context.Context, threadID, leafID string) ([]sessiontree.Entry, error)

func (*Store) PathPage 

func (s *Store) PathPage(ctx context.Context, threadID, leafID, beforeEntryID string, limit int) (sessiontree.PathPage, error)

func (*Store) PendingAutomaticThreadTitles 

func (s *Store) PendingAutomaticThreadTitles(ctx context.Context) ([]sessiontree.ThreadMeta, error)

func (*Store) PrepareApprovalBatch 

func (s *Store) PrepareApprovalBatch(ctx context.Context, req sessiontree.PrepareApprovalBatchRequest) (sessiontree.PrepareApprovalBatchResult, error)

func (*Store) PrepareEffectAttempt 

func (s *Store) PrepareEffectAttempt(ctx context.Context, req sessiontree.PrepareEffectAttemptRequest) (sessiontree.PrepareEffectAttemptResult, error)

func (*Store) PrepareForkOperation 

func (s *Store) PrepareForkOperation(ctx context.Context, rec storage.ForkOperationRecord) (storage.ForkOperationRecord, bool, error)

func (*Store) PrepareSubAgentClose 

func (s *Store) PrepareSubAgentClose(ctx context.Context, req sessiontree.PrepareSubAgentCloseRequest) (sessiontree.PrepareSubAgentCloseResult, error)

func (*Store) ProviderRequests 

func (s *Store) ProviderRequests(ctx context.Context, promptScopeID string) ([]cache.ProviderRequestRecord, error)

func (*Store) ProviderResponses 

func (s *Store) ProviderResponses(ctx context.Context, promptScopeID string) ([]cache.ProviderResponseRecord, error)

func (*Store) ProviderState 

func (s *Store) ProviderState(ctx context.Context, threadID string) (sessiontree.ProviderStateRecord, error)

func (*Store) PublishSubAgent 

func (s *Store) PublishSubAgent(ctx context.Context, req sessiontree.PublishSubAgentRequest) (sessiontree.PublishSubAgentResult, error)

func (*Store) PublishSubAgentInput 

func (s *Store) PublishSubAgentInput(ctx context.Context, req sessiontree.PublishSubAgentInputRequest) (sessiontree.SubAgentInputRecord, bool, error)

func (*Store) PublishSubAgentPendingToolCompletion 

func (s *Store) PublishSubAgentPendingToolCompletion(ctx context.Context, req sessiontree.PublishSubAgentPendingToolCompletionRequest) (sessiontree.PublishSubAgentPendingToolCompletionResult, error)

func (*Store) PutMetadata 

func (s *Store) PutMetadata(ctx context.Context, rec storage.MetadataRecord) error

func (*Store) PutProviderState 

func (s *Store) PutProviderState(ctx context.Context, record sessiontree.ProviderStateRecord) error

func (*Store) ReadAgentTodoState 

func (s *Store) ReadAgentTodoState(ctx context.Context, threadID string) (sessiontree.AgentTodoState, error)

func (*Store) ReadApprovalQueue 

func (s *Store) ReadApprovalQueue(ctx context.Context, threadID string) (sessiontree.ApprovalQueue, error)

func (*Store) ReadArtifact 

func (s *Store) ReadArtifact(ctx context.Context, req sessiontree.ArtifactReadRequest) (sessiontree.ArtifactContent, error)

func (*Store) ReadCanonicalTurn 

func (s *Store) ReadCanonicalTurn(ctx context.Context, threadID, turnID string) (sessiontree.CanonicalTurnRead, error)

func (*Store) ReadCompaction 

func (s *Store) ReadCompaction(ctx context.Context, threadID, requestID string) (sessiontree.CompactionOperation, bool, error)

func (*Store) ReadPendingToolCompletion 

func (s *Store) ReadPendingToolCompletion(ctx context.Context, req sessiontree.AdmitPendingToolCompletionRequest) (sessiontree.AdmitPendingToolCompletionResult, bool, error)

func (*Store) ReadSubAgentInput 

func (s *Store) ReadSubAgentInput(ctx context.Context, inputID string) (sessiontree.SubAgentInputRecord, bool, error)

func (*Store) ReadTurnAdmission 

func (s *Store) ReadTurnAdmission(ctx context.Context, threadID, turnID, runID string) (sessiontree.AdmitTurnResult, bool, error)

func (*Store) RecoverInterruptedTurn 

func (s *Store) RecoverInterruptedTurn(ctx context.Context, req sessiontree.RecoverInterruptedTurnRequest) (sessiontree.RecoverInterruptedTurnResult, error)

func (*Store) RejectEffectAttempt 

func (s *Store) RejectEffectAttempt(ctx context.Context, req sessiontree.RejectEffectAttemptRequest) (sessiontree.EffectAttempt, error)

func (*Store) ReleaseTurnLease 

func (s *Store) ReleaseTurnLease(ctx context.Context, proof sessiontree.TurnLease) error

func (*Store) RenewTurnLease 

func (s *Store) RenewTurnLease(ctx context.Context, proof sessiontree.TurnLease) (sessiontree.TurnLease, error)

func (*Store) ResolveApproval 

func (s *Store) ResolveApproval(ctx context.Context, req sessiontree.ResolveApprovalRequest) (sessiontree.ResolveApprovalResult, error)

func (*Store) SchemaVersion 

func (s *Store) SchemaVersion(ctx context.Context) (string, error)

func (*Store) Segments 

func (s *Store) Segments(ctx context.Context, promptScopeID, provider, model string) ([]cache.Segment, error)

func (*Store) SetThreadTitle 

func (s *Store) SetThreadTitle(ctx context.Context, req sessiontree.SetThreadTitleRequest) (sessiontree.ThreadTitleMutationResult, error)

func (*Store) SettlePendingToolRecovery 

func (s *Store) SettlePendingToolRecovery(ctx context.Context, req sessiontree.SettlePendingToolRecoveryRequest) (sessiontree.SettlePendingToolRecoveryResult, error)

func (*Store) TakeOverCompaction 

func (s *Store) TakeOverCompaction(ctx context.Context, req sessiontree.TakeOverCompactionRequest) (sessiontree.BeginCompactionResult, error)

func (*Store) Thread 

func (s *Store) Thread(ctx context.Context, threadID string) (sessiontree.ThreadMeta, error)

func (*Store) ThreadTombstone 

func (s *Store) ThreadTombstone(ctx context.Context, threadID string) (sessiontree.ThreadTombstone, error)

func (*Store) UpdateThread 

func (s *Store) UpdateThread(ctx context.Context, meta sessiontree.ThreadMeta) error

func (*Store) ValidateArtifactForkDestination 

func (s *Store) ValidateArtifactForkDestination(ctx context.Context, closure artifact.Closure) error

func (*Store) ValidateInterruptedTurnResolution 

func (s *Store) ValidateInterruptedTurnResolution(ctx context.Context, req sessiontree.RecoverInterruptedTurnRequest) error

func (*Store) WaitApprovalDecision 

func (s *Store) WaitApprovalDecision(ctx context.Context, approvalID string) (sessiontree.WaitApprovalDecisionResult, error)

type V16Runner 

type V16Runner interface {
	ExecContext(context.Context, string, ...any) (sql.Result, error)
	QueryContext(context.Context, string, ...any) (*sql.Rows, error)
	QueryRowContext(context.Context, string, ...any) *sql.Row
}

V16Runner is the SQL surface required to verify and export one legacy v16 transaction. It is intentionally limited to migration infrastructure.

type VerificationCheck 

type VerificationCheck struct {
	Code       string
	Passed     bool
	SafeDetail string
}

type WriterAdmission 

type WriterAdmission struct {
	// contains filtered or unexported fields
}

WriterAdmission serializes writers opened by this process for one physical SQLite database while keeping admission responsive to context cancellation.

func NewWriterAdmission 

func NewWriterAdmission(path string) (*WriterAdmission, error)

func (*WriterAdmission) Close 

func (a *WriterAdmission) Close()

func (*WriterAdmission) Reserve 

func (a *WriterAdmission) Reserve(ctx context.Context) (func(), error)

Source Files

View all Source files

Jump to

Keyboard shortcuts

? : This menu
/ : Search site
f or F : Jump to
y or Y : Canonical URL
go.dev uses cookies from Google to deliver and enhance the quality of its services and to analyze traffic. Learn more.