n8n/packages/@n8n/engine/src/index.ts

export { createEngineRuntime } from './runtime';
export type { EngineRuntime, EngineRuntimeOptions } from './runtime';

export type { EngineLogger } from './logging';

export {
	ACTION_TOKEN,
	IDENTITY_TOKEN,
	InvalidActionTokenError,
	InvalidIdentityTokenError,
	mintActionToken,
	mintIdentityToken,
	SharedSecretIdentityVerifier,
	verifyActionToken,
} from './auth';
export type { AuthenticatedCaller, ActionScope, IdentityVerifier } from './auth';

export type { EngineErrorResponse, ExecutionSnapshot, StepDetail } from './server';
export type {
	SearchExecutionsRequest,
	SearchExecutionsResponse,
	ExecutionListItem,
} from './server';

// The publisher stays internal: no host constructs or swaps one.
export {
	MAX_LIFECYCLE_EVENTS_PER_BATCH,
	lifecycleEventBatchSchema,
	lifecycleEventSchema,
} from './lifecycle-events';
export type {
	LifecycleEventCallback,
	LifecycleEvent,
	LifecycleEventBatch,
} from './lifecycle-events';

export {
	ExecutionResponseChannel,
	executionResponseSchema,
	InMemoryResponseTransport,
	noopResponseTransport,
} from './response-channel';
export type {
	EndedMessage,
	ExecutionResponse,
	ResponseTransport,
	Unsubscribe,
} from './response-channel';

export { UnimplementedError } from './common';
export type { JsonObject, JsonValue } from './common';

export { deriveLoops, isBatchStepConfig } from './graph';
export type {
	BatchStepConfig,
	GraphEdge,
	GraphNode,
	StepConfig,
	StepType,
	WorkflowGraph,
	WorkflowLoop,
} from './graph';

export type {
	ExternalDependencies,
	IStepExecutor,
	StepExecutionContext,
	StepExecutionRequest,
	StepExecutionResult,
} from './dependencies';

export { AllowAllAdmittance, AdmittanceRejectedError } from './admittance';
export type {
	AdmittanceDecision,
	AdmittanceRequest,
	AdmittanceService,
} from './admittance';

export type {
	ExecutionEnqueuedEvent,
	OrchestrationMessage,
	StepSettledEvent,
	StepMessage,
	StepReadyEvent,
	WorkQueue,
} from './queue';

export { ExecutionNotFoundError, StepNotFoundError } from './execution';
export type {
	CallerContext,
	ExecutionMode,
	ExecutionViewStore,
	ExecutionRecord,
	ExecutionStatus,
	ExecutionStore,
	ExecutionView,
	NewExecutionRecord,
	NewStepRecord,
	StartExecutionRequest,
	StartExecutionResult,
	StepError,
	StepKey,
	StepKeyId,
	StepRecord,
	StepSlots,
	StepStatus,
	StepStore,
	StepView,
	TriggerOutputs,
	WorkflowDocument,
} from './execution';

export { createDataSource, WorkflowExecution, WorkflowStepExecution } from './database';
export type { EngineStores } from './database';