# @langchain/langgraph > JavaScript/TypeScript package 📖 [View in docs](https://reference.langchain.com/javascript/langchain-langgraph) ## Classes - [`LastValueAfterFinish`](https://reference.langchain.com/javascript/langchain-langgraph/channels/LastValueAfterFinish) - [`BinaryOperatorAggregate`](https://reference.langchain.com/javascript/langchain-langgraph/channels/BinaryOperatorAggregate) - [`LanggraphZodMetaRegistry`](https://reference.langchain.com/javascript/langchain-langgraph/graph/zod/LanggraphZodMetaRegistry) - [`SchemaMetaRegistry`](https://reference.langchain.com/javascript/langchain-langgraph/graph/zod/SchemaMetaRegistry) - [`AsyncBatchedStore`](https://reference.langchain.com/javascript/langchain-langgraph/index/AsyncBatchedStore) - [`BaseCheckpointSaver`](https://reference.langchain.com/javascript/langchain-langgraph/index/BaseCheckpointSaver) - [`BaseLangGraphError`](https://reference.langchain.com/javascript/langchain-langgraph/index/BaseLangGraphError) - [`BaseStore`](https://reference.langchain.com/javascript/langchain-langgraph/index/BaseStore) - [`BinaryOperatorAggregate`](https://reference.langchain.com/javascript/langchain-langgraph/index/BinaryOperatorAggregate) - [`Command`](https://reference.langchain.com/javascript/langchain-langgraph/index/Command) - [`CompiledStateGraph`](https://reference.langchain.com/javascript/langchain-langgraph/index/CompiledStateGraph) - [`EmptyChannelError`](https://reference.langchain.com/javascript/langchain-langgraph/index/EmptyChannelError) - [`EmptyInputError`](https://reference.langchain.com/javascript/langchain-langgraph/index/EmptyInputError) - [`EventLog`](https://reference.langchain.com/javascript/langchain-langgraph/index/EventLog) - [`Graph`](https://reference.langchain.com/javascript/langchain-langgraph/index/Graph) - [`GraphBubbleUp`](https://reference.langchain.com/javascript/langchain-langgraph/index/GraphBubbleUp) - [`GraphInterrupt`](https://reference.langchain.com/javascript/langchain-langgraph/index/GraphInterrupt) - [`GraphRecursionError`](https://reference.langchain.com/javascript/langchain-langgraph/index/GraphRecursionError) - [`GraphRunStream`](https://reference.langchain.com/javascript/langchain-langgraph/index/GraphRunStream) - [`GraphValueError`](https://reference.langchain.com/javascript/langchain-langgraph/index/GraphValueError) - [`InMemoryStore`](https://reference.langchain.com/javascript/langchain-langgraph/index/InMemoryStore) - [`InvalidUpdateError`](https://reference.langchain.com/javascript/langchain-langgraph/index/InvalidUpdateError) - [`MemorySaver`](https://reference.langchain.com/javascript/langchain-langgraph/index/MemorySaver) - [`MultipleSubgraphsError`](https://reference.langchain.com/javascript/langchain-langgraph/index/MultipleSubgraphsError) - [`NodeInterrupt`](https://reference.langchain.com/javascript/langchain-langgraph/index/NodeInterrupt) - [`Overwrite`](https://reference.langchain.com/javascript/langchain-langgraph/index/Overwrite) - [`ParentCommand`](https://reference.langchain.com/javascript/langchain-langgraph/index/ParentCommand) - [`ReducedValue`](https://reference.langchain.com/javascript/langchain-langgraph/index/ReducedValue) - [`RemoteException`](https://reference.langchain.com/javascript/langchain-langgraph/index/RemoteException) - [`Send`](https://reference.langchain.com/javascript/langchain-langgraph/index/Send) - [`StateGraph`](https://reference.langchain.com/javascript/langchain-langgraph/index/StateGraph) - [`StateGraphInputError`](https://reference.langchain.com/javascript/langchain-langgraph/index/StateGraphInputError) - [`StateSchema`](https://reference.langchain.com/javascript/langchain-langgraph/index/StateSchema) - [`SubgraphRunStream`](https://reference.langchain.com/javascript/langchain-langgraph/index/SubgraphRunStream) - [`UnreachableNodeError`](https://reference.langchain.com/javascript/langchain-langgraph/index/UnreachableNodeError) - [`UntrackedValue`](https://reference.langchain.com/javascript/langchain-langgraph/index/UntrackedValue) - [`Pregel`](https://reference.langchain.com/javascript/langchain-langgraph/index/Pregel) - [`StreamChannel`](https://reference.langchain.com/javascript/langchain-langgraph/index/StreamChannel) - [`ToolExecutor`](https://reference.langchain.com/javascript/langchain-langgraph/prebuilt/ToolExecutor) - [`ToolNode`](https://reference.langchain.com/javascript/langchain-langgraph/prebuilt/ToolNode) - [`Channel`](https://reference.langchain.com/javascript/langchain-langgraph/pregel/Channel) - [`Pregel`](https://reference.langchain.com/javascript/langchain-langgraph/pregel/Pregel) - [`RemoteGraph`](https://reference.langchain.com/javascript/langchain-langgraph/remote/RemoteGraph) - [`AsyncBatchedStore`](https://reference.langchain.com/javascript/langchain-langgraph/web/AsyncBatchedStore) - [`BaseCheckpointSaver`](https://reference.langchain.com/javascript/langchain-langgraph/web/BaseCheckpointSaver) - [`BaseLangGraphError`](https://reference.langchain.com/javascript/langchain-langgraph/web/BaseLangGraphError) - [`BaseStore`](https://reference.langchain.com/javascript/langchain-langgraph/web/BaseStore) - [`BinaryOperatorAggregate`](https://reference.langchain.com/javascript/langchain-langgraph/web/BinaryOperatorAggregate) - [`ChatModelStreamImpl`](https://reference.langchain.com/javascript/langchain-langgraph/web/ChatModelStreamImpl) - [`Command`](https://reference.langchain.com/javascript/langchain-langgraph/web/Command) - [`CompiledStateGraph`](https://reference.langchain.com/javascript/langchain-langgraph/web/CompiledStateGraph) - [`EmptyChannelError`](https://reference.langchain.com/javascript/langchain-langgraph/web/EmptyChannelError) - [`EmptyInputError`](https://reference.langchain.com/javascript/langchain-langgraph/web/EmptyInputError) - [`EventLog`](https://reference.langchain.com/javascript/langchain-langgraph/web/EventLog) - [`Graph`](https://reference.langchain.com/javascript/langchain-langgraph/web/Graph) - [`GraphBubbleUp`](https://reference.langchain.com/javascript/langchain-langgraph/web/GraphBubbleUp) - [`GraphInterrupt`](https://reference.langchain.com/javascript/langchain-langgraph/web/GraphInterrupt) - [`GraphRecursionError`](https://reference.langchain.com/javascript/langchain-langgraph/web/GraphRecursionError) - [`GraphRunStream`](https://reference.langchain.com/javascript/langchain-langgraph/web/GraphRunStream) - [`GraphValueError`](https://reference.langchain.com/javascript/langchain-langgraph/web/GraphValueError) - [`InMemoryStore`](https://reference.langchain.com/javascript/langchain-langgraph/web/InMemoryStore) - [`InvalidUpdateError`](https://reference.langchain.com/javascript/langchain-langgraph/web/InvalidUpdateError) - [`MemorySaver`](https://reference.langchain.com/javascript/langchain-langgraph/web/MemorySaver) - [`MultipleSubgraphsError`](https://reference.langchain.com/javascript/langchain-langgraph/web/MultipleSubgraphsError) - [`NodeInterrupt`](https://reference.langchain.com/javascript/langchain-langgraph/web/NodeInterrupt) - [`Overwrite`](https://reference.langchain.com/javascript/langchain-langgraph/web/Overwrite) - [`ParentCommand`](https://reference.langchain.com/javascript/langchain-langgraph/web/ParentCommand) - [`Pregel`](https://reference.langchain.com/javascript/langchain-langgraph/web/Pregel) - [`ReducedValue`](https://reference.langchain.com/javascript/langchain-langgraph/web/ReducedValue) - [`RemoteException`](https://reference.langchain.com/javascript/langchain-langgraph/web/RemoteException) - [`Send`](https://reference.langchain.com/javascript/langchain-langgraph/web/Send) - [`StateGraph`](https://reference.langchain.com/javascript/langchain-langgraph/web/StateGraph) - [`StateGraphInputError`](https://reference.langchain.com/javascript/langchain-langgraph/web/StateGraphInputError) - [`StateSchema`](https://reference.langchain.com/javascript/langchain-langgraph/web/StateSchema) - [`StreamChannel`](https://reference.langchain.com/javascript/langchain-langgraph/web/StreamChannel) - [`SubgraphRunStream`](https://reference.langchain.com/javascript/langchain-langgraph/web/SubgraphRunStream) - [`UnreachableNodeError`](https://reference.langchain.com/javascript/langchain-langgraph/web/UnreachableNodeError) - [`UntrackedValue`](https://reference.langchain.com/javascript/langchain-langgraph/web/UntrackedValue) ## Functions - [`createCheckpoint()`](https://reference.langchain.com/javascript/langchain-langgraph/channels/createCheckpoint) - [`empty()`](https://reference.langchain.com/javascript/langchain-langgraph/channels/empty) - [`withLangGraph()`](https://reference.langchain.com/javascript/langchain-langgraph/graph/zod/withLangGraph) - [`getConfigTypeSchema()`](https://reference.langchain.com/javascript/langchain-langgraph/graph/zod/schema/getConfigTypeSchema) - [`getInputTypeSchema()`](https://reference.langchain.com/javascript/langchain-langgraph/graph/zod/schema/getInputTypeSchema) - [`getOutputTypeSchema()`](https://reference.langchain.com/javascript/langchain-langgraph/graph/zod/schema/getOutputTypeSchema) - [`getStateTypeSchema()`](https://reference.langchain.com/javascript/langchain-langgraph/graph/zod/schema/getStateTypeSchema) - [`getUpdateTypeSchema()`](https://reference.langchain.com/javascript/langchain-langgraph/graph/zod/schema/getUpdateTypeSchema) - [`convertToProtocolEvent()`](https://reference.langchain.com/javascript/langchain-langgraph/index/convertToProtocolEvent) - [`createGraphRunStream()`](https://reference.langchain.com/javascript/langchain-langgraph/index/createGraphRunStream) - [`createLifecycleTransformer()`](https://reference.langchain.com/javascript/langchain-langgraph/index/createLifecycleTransformer) - [`createMessagesTransformer()`](https://reference.langchain.com/javascript/langchain-langgraph/index/createMessagesTransformer) - [`createSubgraphDiscoveryTransformer()`](https://reference.langchain.com/javascript/langchain-langgraph/index/createSubgraphDiscoveryTransformer) - [`createValuesTransformer()`](https://reference.langchain.com/javascript/langchain-langgraph/index/createValuesTransformer) - [`entrypoint()`](https://reference.langchain.com/javascript/langchain-langgraph/index/entrypoint) - [`filterLifecycleEntries()`](https://reference.langchain.com/javascript/langchain-langgraph/index/filterLifecycleEntries) - [`filterSubgraphHandles()`](https://reference.langchain.com/javascript/langchain-langgraph/index/filterSubgraphHandles) - [`getConfig()`](https://reference.langchain.com/javascript/langchain-langgraph/index/getConfig) - [`getCurrentTaskInput()`](https://reference.langchain.com/javascript/langchain-langgraph/index/getCurrentTaskInput) - [`getJsonSchemaFromSchema()`](https://reference.langchain.com/javascript/langchain-langgraph/index/getJsonSchemaFromSchema) - [`getPreviousState()`](https://reference.langchain.com/javascript/langchain-langgraph/index/getPreviousState) - [`getSchemaDefaultGetter()`](https://reference.langchain.com/javascript/langchain-langgraph/index/getSchemaDefaultGetter) - [`getStore()`](https://reference.langchain.com/javascript/langchain-langgraph/index/getStore) - [`getSubgraphsSeenSet()`](https://reference.langchain.com/javascript/langchain-langgraph/index/getSubgraphsSeenSet) - [`getWriter()`](https://reference.langchain.com/javascript/langchain-langgraph/index/getWriter) - [`interrupt()`](https://reference.langchain.com/javascript/langchain-langgraph/index/interrupt) - [`isCommand()`](https://reference.langchain.com/javascript/langchain-langgraph/index/isCommand) - [`isGraphBubbleUp()`](https://reference.langchain.com/javascript/langchain-langgraph/index/isGraphBubbleUp) - [`isGraphInterrupt()`](https://reference.langchain.com/javascript/langchain-langgraph/index/isGraphInterrupt) - [`isInterrupted()`](https://reference.langchain.com/javascript/langchain-langgraph/index/isInterrupted) - [`isNativeTransformer()`](https://reference.langchain.com/javascript/langchain-langgraph/index/isNativeTransformer) - [`isParentCommand()`](https://reference.langchain.com/javascript/langchain-langgraph/index/isParentCommand) - [`isSerializableSchema()`](https://reference.langchain.com/javascript/langchain-langgraph/index/isSerializableSchema) - [`isStandardSchema()`](https://reference.langchain.com/javascript/langchain-langgraph/index/isStandardSchema) - [`messagesStateReducer()`](https://reference.langchain.com/javascript/langchain-langgraph/index/messagesStateReducer) - [`pushMessage()`](https://reference.langchain.com/javascript/langchain-langgraph/index/pushMessage) - [`task()`](https://reference.langchain.com/javascript/langchain-langgraph/index/task) - [`writer()`](https://reference.langchain.com/javascript/langchain-langgraph/index/writer) - [`addMessages()`](https://reference.langchain.com/javascript/langchain-langgraph/index/addMessages) - [`createFunctionCallingExecutor()`](https://reference.langchain.com/javascript/langchain-langgraph/prebuilt/createFunctionCallingExecutor) - [`createReactAgent()`](https://reference.langchain.com/javascript/langchain-langgraph/prebuilt/createReactAgent) - [`createReactAgentAnnotation()`](https://reference.langchain.com/javascript/langchain-langgraph/prebuilt/createReactAgentAnnotation) - [`toolsCondition()`](https://reference.langchain.com/javascript/langchain-langgraph/prebuilt/toolsCondition) - [`withAgentName()`](https://reference.langchain.com/javascript/langchain-langgraph/prebuilt/withAgentName) - [`addMessages()`](https://reference.langchain.com/javascript/langchain-langgraph/web/addMessages) - [`convertToProtocolEvent()`](https://reference.langchain.com/javascript/langchain-langgraph/web/convertToProtocolEvent) - [`createGraphRunStream()`](https://reference.langchain.com/javascript/langchain-langgraph/web/createGraphRunStream) - [`createLifecycleTransformer()`](https://reference.langchain.com/javascript/langchain-langgraph/web/createLifecycleTransformer) - [`createMessagesTransformer()`](https://reference.langchain.com/javascript/langchain-langgraph/web/createMessagesTransformer) - [`createSubgraphDiscoveryTransformer()`](https://reference.langchain.com/javascript/langchain-langgraph/web/createSubgraphDiscoveryTransformer) - [`createValuesTransformer()`](https://reference.langchain.com/javascript/langchain-langgraph/web/createValuesTransformer) - [`entrypoint()`](https://reference.langchain.com/javascript/langchain-langgraph/web/entrypoint) - [`filterLifecycleEntries()`](https://reference.langchain.com/javascript/langchain-langgraph/web/filterLifecycleEntries) - [`filterSubgraphHandles()`](https://reference.langchain.com/javascript/langchain-langgraph/web/filterSubgraphHandles) - [`getConfig()`](https://reference.langchain.com/javascript/langchain-langgraph/web/getConfig) - [`getCurrentTaskInput()`](https://reference.langchain.com/javascript/langchain-langgraph/web/getCurrentTaskInput) - [`getJsonSchemaFromSchema()`](https://reference.langchain.com/javascript/langchain-langgraph/web/getJsonSchemaFromSchema) - [`getPreviousState()`](https://reference.langchain.com/javascript/langchain-langgraph/web/getPreviousState) - [`getSchemaDefaultGetter()`](https://reference.langchain.com/javascript/langchain-langgraph/web/getSchemaDefaultGetter) - [`getStore()`](https://reference.langchain.com/javascript/langchain-langgraph/web/getStore) - [`getSubgraphsSeenSet()`](https://reference.langchain.com/javascript/langchain-langgraph/web/getSubgraphsSeenSet) - [`getWriter()`](https://reference.langchain.com/javascript/langchain-langgraph/web/getWriter) - [`interrupt()`](https://reference.langchain.com/javascript/langchain-langgraph/web/interrupt) - [`isCommand()`](https://reference.langchain.com/javascript/langchain-langgraph/web/isCommand) - [`isGraphBubbleUp()`](https://reference.langchain.com/javascript/langchain-langgraph/web/isGraphBubbleUp) - [`isGraphInterrupt()`](https://reference.langchain.com/javascript/langchain-langgraph/web/isGraphInterrupt) - [`isInterrupted()`](https://reference.langchain.com/javascript/langchain-langgraph/web/isInterrupted) - [`isNativeTransformer()`](https://reference.langchain.com/javascript/langchain-langgraph/web/isNativeTransformer) - [`isParentCommand()`](https://reference.langchain.com/javascript/langchain-langgraph/web/isParentCommand) - [`isSerializableSchema()`](https://reference.langchain.com/javascript/langchain-langgraph/web/isSerializableSchema) - [`isStandardSchema()`](https://reference.langchain.com/javascript/langchain-langgraph/web/isStandardSchema) - [`messagesStateReducer()`](https://reference.langchain.com/javascript/langchain-langgraph/web/messagesStateReducer) - [`pushMessage()`](https://reference.langchain.com/javascript/langchain-langgraph/web/pushMessage) - [`task()`](https://reference.langchain.com/javascript/langchain-langgraph/web/task) - [`writer()`](https://reference.langchain.com/javascript/langchain-langgraph/web/writer) ## Interfaces - [`AnyValue`](https://reference.langchain.com/javascript/langchain-langgraph/channels/AnyValue) - [`DynamicBarrierValue`](https://reference.langchain.com/javascript/langchain-langgraph/channels/DynamicBarrierValue) - [`EphemeralValue`](https://reference.langchain.com/javascript/langchain-langgraph/channels/EphemeralValue) - [`NamedBarrierValue`](https://reference.langchain.com/javascript/langchain-langgraph/channels/NamedBarrierValue) - [`Topic`](https://reference.langchain.com/javascript/langchain-langgraph/channels/Topic) - [`WaitForNames`](https://reference.langchain.com/javascript/langchain-langgraph/channels/WaitForNames) - [`SchemaMeta`](https://reference.langchain.com/javascript/langchain-langgraph/graph/zod/SchemaMeta) - [`AnnotationRoot`](https://reference.langchain.com/javascript/langchain-langgraph/index/AnnotationRoot) - [`AnyValue`](https://reference.langchain.com/javascript/langchain-langgraph/index/AnyValue) - [`Checkpoint`](https://reference.langchain.com/javascript/langchain-langgraph/index/Checkpoint) - [`CheckpointTuple`](https://reference.langchain.com/javascript/langchain-langgraph/index/CheckpointTuple) - [`CompiledGraph`](https://reference.langchain.com/javascript/langchain-langgraph/index/CompiledGraph) - [`ConditionalEdgeRouterTypes`](https://reference.langchain.com/javascript/langchain-langgraph/index/ConditionalEdgeRouterTypes) - [`ConvertToProtocolEventOptions`](https://reference.langchain.com/javascript/langchain-langgraph/index/ConvertToProtocolEventOptions) - [`CreateGraphRunStreamOptions`](https://reference.langchain.com/javascript/langchain-langgraph/index/CreateGraphRunStreamOptions) - [`DynamicBarrierValue`](https://reference.langchain.com/javascript/langchain-langgraph/index/DynamicBarrierValue) - [`EphemeralValue`](https://reference.langchain.com/javascript/langchain-langgraph/index/EphemeralValue) - [`ExecutionInfo`](https://reference.langchain.com/javascript/langchain-langgraph/index/ExecutionInfo) - [`GetOperation`](https://reference.langchain.com/javascript/langchain-langgraph/index/GetOperation) - [`GraphNodeTypes`](https://reference.langchain.com/javascript/langchain-langgraph/index/GraphNodeTypes) - [`InterruptPayload`](https://reference.langchain.com/javascript/langchain-langgraph/index/InterruptPayload) - [`Item`](https://reference.langchain.com/javascript/langchain-langgraph/index/Item) - [`LangGraphRunnableConfig`](https://reference.langchain.com/javascript/langchain-langgraph/index/LangGraphRunnableConfig) - [`LifecycleEntry`](https://reference.langchain.com/javascript/langchain-langgraph/index/LifecycleEntry) - [`LifecycleProjection`](https://reference.langchain.com/javascript/langchain-langgraph/index/LifecycleProjection) - [`LifecycleTransformerOptions`](https://reference.langchain.com/javascript/langchain-langgraph/index/LifecycleTransformerOptions) - [`ListNamespacesOperation`](https://reference.langchain.com/javascript/langchain-langgraph/index/ListNamespacesOperation) - [`MatchCondition`](https://reference.langchain.com/javascript/langchain-langgraph/index/MatchCondition) - [`NamedBarrierValue`](https://reference.langchain.com/javascript/langchain-langgraph/index/NamedBarrierValue) - [`NativeStreamTransformer`](https://reference.langchain.com/javascript/langchain-langgraph/index/NativeStreamTransformer) - [`OverwriteValue`](https://reference.langchain.com/javascript/langchain-langgraph/index/OverwriteValue) - [`PregelNode`](https://reference.langchain.com/javascript/langchain-langgraph/index/PregelNode) - [`PregelOptions`](https://reference.langchain.com/javascript/langchain-langgraph/index/PregelOptions) - [`ProtocolEvent`](https://reference.langchain.com/javascript/langchain-langgraph/index/ProtocolEvent) - [`PutOperation`](https://reference.langchain.com/javascript/langchain-langgraph/index/PutOperation) - [`Runtime`](https://reference.langchain.com/javascript/langchain-langgraph/index/Runtime) - [`SearchOperation`](https://reference.langchain.com/javascript/langchain-langgraph/index/SearchOperation) - [`ServerInfo`](https://reference.langchain.com/javascript/langchain-langgraph/index/ServerInfo) - [`StateDefinition`](https://reference.langchain.com/javascript/langchain-langgraph/index/StateDefinition) - [`StateGraphArgs`](https://reference.langchain.com/javascript/langchain-langgraph/index/StateGraphArgs) - [`StateSnapshot`](https://reference.langchain.com/javascript/langchain-langgraph/index/StateSnapshot) - [`StreamEmitter`](https://reference.langchain.com/javascript/langchain-langgraph/index/StreamEmitter) - [`StreamTransformer`](https://reference.langchain.com/javascript/langchain-langgraph/index/StreamTransformer) - [`SubgraphDiscoveryProjection`](https://reference.langchain.com/javascript/langchain-langgraph/index/SubgraphDiscoveryProjection) - [`SubgraphDiscoveryTransformerOptions`](https://reference.langchain.com/javascript/langchain-langgraph/index/SubgraphDiscoveryTransformerOptions) - [`TaskOptions`](https://reference.langchain.com/javascript/langchain-langgraph/index/TaskOptions) - [`ToolCallStream`](https://reference.langchain.com/javascript/langchain-langgraph/index/ToolCallStream) - [`Topic`](https://reference.langchain.com/javascript/langchain-langgraph/index/Topic) - [`UntrackedValueInit`](https://reference.langchain.com/javascript/langchain-langgraph/index/UntrackedValueInit) - [`WaitForNames`](https://reference.langchain.com/javascript/langchain-langgraph/index/WaitForNames) - [`ActionRequest`](https://reference.langchain.com/javascript/langchain-langgraph/prebuilt/ActionRequest) - [`AgentState`](https://reference.langchain.com/javascript/langchain-langgraph/prebuilt/AgentState) - [`HumanInterrupt`](https://reference.langchain.com/javascript/langchain-langgraph/prebuilt/HumanInterrupt) - [`HumanInterruptConfig`](https://reference.langchain.com/javascript/langchain-langgraph/prebuilt/HumanInterruptConfig) - [`ToolExecutorArgs`](https://reference.langchain.com/javascript/langchain-langgraph/prebuilt/ToolExecutorArgs) - [`ToolInvocationInterface`](https://reference.langchain.com/javascript/langchain-langgraph/prebuilt/ToolInvocationInterface) - [`PregelOptions`](https://reference.langchain.com/javascript/langchain-langgraph/pregel/PregelOptions) - [`AnnotationRoot`](https://reference.langchain.com/javascript/langchain-langgraph/web/AnnotationRoot) - [`AnyValue`](https://reference.langchain.com/javascript/langchain-langgraph/web/AnyValue) - [`Checkpoint`](https://reference.langchain.com/javascript/langchain-langgraph/web/Checkpoint) - [`CheckpointTuple`](https://reference.langchain.com/javascript/langchain-langgraph/web/CheckpointTuple) - [`CompiledGraph`](https://reference.langchain.com/javascript/langchain-langgraph/web/CompiledGraph) - [`ConditionalEdgeRouterTypes`](https://reference.langchain.com/javascript/langchain-langgraph/web/ConditionalEdgeRouterTypes) - [`ConvertToProtocolEventOptions`](https://reference.langchain.com/javascript/langchain-langgraph/web/ConvertToProtocolEventOptions) - [`CreateGraphRunStreamOptions`](https://reference.langchain.com/javascript/langchain-langgraph/web/CreateGraphRunStreamOptions) - [`DynamicBarrierValue`](https://reference.langchain.com/javascript/langchain-langgraph/web/DynamicBarrierValue) - [`EphemeralValue`](https://reference.langchain.com/javascript/langchain-langgraph/web/EphemeralValue) - [`ExecutionInfo`](https://reference.langchain.com/javascript/langchain-langgraph/web/ExecutionInfo) - [`GetOperation`](https://reference.langchain.com/javascript/langchain-langgraph/web/GetOperation) - [`GraphNodeTypes`](https://reference.langchain.com/javascript/langchain-langgraph/web/GraphNodeTypes) - [`InterruptPayload`](https://reference.langchain.com/javascript/langchain-langgraph/web/InterruptPayload) - [`Item`](https://reference.langchain.com/javascript/langchain-langgraph/web/Item) - [`LangGraphRunnableConfig`](https://reference.langchain.com/javascript/langchain-langgraph/web/LangGraphRunnableConfig) - [`LifecycleData`](https://reference.langchain.com/javascript/langchain-langgraph/web/LifecycleData) - [`LifecycleEntry`](https://reference.langchain.com/javascript/langchain-langgraph/web/LifecycleEntry) - [`LifecycleProjection`](https://reference.langchain.com/javascript/langchain-langgraph/web/LifecycleProjection) - [`LifecycleTransformerOptions`](https://reference.langchain.com/javascript/langchain-langgraph/web/LifecycleTransformerOptions) - [`ListNamespacesOperation`](https://reference.langchain.com/javascript/langchain-langgraph/web/ListNamespacesOperation) - [`MatchCondition`](https://reference.langchain.com/javascript/langchain-langgraph/web/MatchCondition) - [`NamedBarrierValue`](https://reference.langchain.com/javascript/langchain-langgraph/web/NamedBarrierValue) - [`NativeStreamTransformer`](https://reference.langchain.com/javascript/langchain-langgraph/web/NativeStreamTransformer) - [`OverwriteValue`](https://reference.langchain.com/javascript/langchain-langgraph/web/OverwriteValue) - [`PregelNode`](https://reference.langchain.com/javascript/langchain-langgraph/web/PregelNode) - [`PregelOptions`](https://reference.langchain.com/javascript/langchain-langgraph/web/PregelOptions) - [`ProtocolEvent`](https://reference.langchain.com/javascript/langchain-langgraph/web/ProtocolEvent) - [`PutOperation`](https://reference.langchain.com/javascript/langchain-langgraph/web/PutOperation) - [`Runtime`](https://reference.langchain.com/javascript/langchain-langgraph/web/Runtime) - [`SearchOperation`](https://reference.langchain.com/javascript/langchain-langgraph/web/SearchOperation) - [`ServerInfo`](https://reference.langchain.com/javascript/langchain-langgraph/web/ServerInfo) - [`StateDefinition`](https://reference.langchain.com/javascript/langchain-langgraph/web/StateDefinition) - [`StateGraphArgs`](https://reference.langchain.com/javascript/langchain-langgraph/web/StateGraphArgs) - [`StateSnapshot`](https://reference.langchain.com/javascript/langchain-langgraph/web/StateSnapshot) - [`StreamEmitter`](https://reference.langchain.com/javascript/langchain-langgraph/web/StreamEmitter) - [`StreamTransformer`](https://reference.langchain.com/javascript/langchain-langgraph/web/StreamTransformer) - [`SubgraphDiscoveryProjection`](https://reference.langchain.com/javascript/langchain-langgraph/web/SubgraphDiscoveryProjection) - [`SubgraphDiscoveryTransformerOptions`](https://reference.langchain.com/javascript/langchain-langgraph/web/SubgraphDiscoveryTransformerOptions) - [`TaskOptions`](https://reference.langchain.com/javascript/langchain-langgraph/web/TaskOptions) - [`ToolCallStream`](https://reference.langchain.com/javascript/langchain-langgraph/web/ToolCallStream) - [`Topic`](https://reference.langchain.com/javascript/langchain-langgraph/web/Topic) - [`UntrackedValueInit`](https://reference.langchain.com/javascript/langchain-langgraph/web/UntrackedValueInit) - [`WaitForNames`](https://reference.langchain.com/javascript/langchain-langgraph/web/WaitForNames) ## Types - [`BinaryOperator`](https://reference.langchain.com/javascript/langchain-langgraph/channels/BinaryOperator) - [`UpdateType`](https://reference.langchain.com/javascript/langchain-langgraph/graph/zod/UpdateType) - [`AddNodeOptions`](https://reference.langchain.com/javascript/langchain-langgraph/index/AddNodeOptions) - [`AnyStateSchema`](https://reference.langchain.com/javascript/langchain-langgraph/index/AnyStateSchema) - [`BaseLangGraphErrorFields`](https://reference.langchain.com/javascript/langchain-langgraph/index/BaseLangGraphErrorFields) - [`BinaryOperator`](https://reference.langchain.com/javascript/langchain-langgraph/index/BinaryOperator) - [`CachePolicy`](https://reference.langchain.com/javascript/langchain-langgraph/index/CachePolicy) - [`ChatModelStream`](https://reference.langchain.com/javascript/langchain-langgraph/index/ChatModelStream) - [`CheckpointMetadata`](https://reference.langchain.com/javascript/langchain-langgraph/index/CheckpointMetadata) - [`CommandParams`](https://reference.langchain.com/javascript/langchain-langgraph/index/CommandParams) - [`CompiledGraphType`](https://reference.langchain.com/javascript/langchain-langgraph/index/CompiledGraphType) - [`ConditionalEdgeRouter`](https://reference.langchain.com/javascript/langchain-langgraph/index/ConditionalEdgeRouter) - [`EntrypointOptions`](https://reference.langchain.com/javascript/langchain-langgraph/index/EntrypointOptions) - [`ExtractStateType`](https://reference.langchain.com/javascript/langchain-langgraph/index/ExtractStateType) - [`ExtractUpdateType`](https://reference.langchain.com/javascript/langchain-langgraph/index/ExtractUpdateType) - [`GetStateOptions`](https://reference.langchain.com/javascript/langchain-langgraph/index/GetStateOptions) - [`GraphNode`](https://reference.langchain.com/javascript/langchain-langgraph/index/GraphNode) - [`GraphNodeReturnValue`](https://reference.langchain.com/javascript/langchain-langgraph/index/GraphNodeReturnValue) - [`InferExtensions`](https://reference.langchain.com/javascript/langchain-langgraph/index/InferExtensions) - [`InferInterruptInputType`](https://reference.langchain.com/javascript/langchain-langgraph/index/InferInterruptInputType) - [`InferInterruptResumeType`](https://reference.langchain.com/javascript/langchain-langgraph/index/InferInterruptResumeType) - [`InferStateSchemaUpdate`](https://reference.langchain.com/javascript/langchain-langgraph/index/InferStateSchemaUpdate) - [`InferStateSchemaValue`](https://reference.langchain.com/javascript/langchain-langgraph/index/InferStateSchemaValue) - [`InferWriterType`](https://reference.langchain.com/javascript/langchain-langgraph/index/InferWriterType) - [`Interrupt`](https://reference.langchain.com/javascript/langchain-langgraph/index/Interrupt) - [`Messages`](https://reference.langchain.com/javascript/langchain-langgraph/index/Messages) - [`MultipleChannelSubscriptionOptions`](https://reference.langchain.com/javascript/langchain-langgraph/index/MultipleChannelSubscriptionOptions) - [`Namespace`](https://reference.langchain.com/javascript/langchain-langgraph/index/Namespace) - [`NamespaceMatchType`](https://reference.langchain.com/javascript/langchain-langgraph/index/NamespaceMatchType) - [`NameSpacePath`](https://reference.langchain.com/javascript/langchain-langgraph/index/NameSpacePath) - [`NodeSpec`](https://reference.langchain.com/javascript/langchain-langgraph/index/NodeSpec) - [`NodeType`](https://reference.langchain.com/javascript/langchain-langgraph/index/NodeType) - [`Operation`](https://reference.langchain.com/javascript/langchain-langgraph/index/Operation) - [`OperationResults`](https://reference.langchain.com/javascript/langchain-langgraph/index/OperationResults) - [`ReducedValueInit`](https://reference.langchain.com/javascript/langchain-langgraph/index/ReducedValueInit) - [`RetryPolicy`](https://reference.langchain.com/javascript/langchain-langgraph/index/RetryPolicy) - [`SingleChannelSubscriptionOptions`](https://reference.langchain.com/javascript/langchain-langgraph/index/SingleChannelSubscriptionOptions) - [`SingleReducer`](https://reference.langchain.com/javascript/langchain-langgraph/index/SingleReducer) - [`StateGraphAddNodeOptions`](https://reference.langchain.com/javascript/langchain-langgraph/index/StateGraphAddNodeOptions) - [`StateGraphArgsWithInputOutputSchemas`](https://reference.langchain.com/javascript/langchain-langgraph/index/StateGraphArgsWithInputOutputSchemas) - [`StateGraphArgsWithStateSchema`](https://reference.langchain.com/javascript/langchain-langgraph/index/StateGraphArgsWithStateSchema) - [`StateGraphInit`](https://reference.langchain.com/javascript/langchain-langgraph/index/StateGraphInit) - [`StateGraphNodeSpec`](https://reference.langchain.com/javascript/langchain-langgraph/index/StateGraphNodeSpec) - [`StateSchemaField`](https://reference.langchain.com/javascript/langchain-langgraph/index/StateSchemaField) - [`StateSchemaFields`](https://reference.langchain.com/javascript/langchain-langgraph/index/StateSchemaFields) - [`StateSchemaFieldsToStateDefinition`](https://reference.langchain.com/javascript/langchain-langgraph/index/StateSchemaFieldsToStateDefinition) - [`StateSchemaFieldToChannel`](https://reference.langchain.com/javascript/langchain-langgraph/index/StateSchemaFieldToChannel) - [`StateType`](https://reference.langchain.com/javascript/langchain-langgraph/index/StateType) - [`StreamMode`](https://reference.langchain.com/javascript/langchain-langgraph/index/StreamMode) - [`StreamOutputMap`](https://reference.langchain.com/javascript/langchain-langgraph/index/StreamOutputMap) - [`ToolCallStatus`](https://reference.langchain.com/javascript/langchain-langgraph/index/ToolCallStatus) - [`UpdateType`](https://reference.langchain.com/javascript/langchain-langgraph/index/UpdateType) - [`AgentNameMode`](https://reference.langchain.com/javascript/langchain-langgraph/prebuilt/AgentNameMode) - [`CreateReactAgentParams`](https://reference.langchain.com/javascript/langchain-langgraph/prebuilt/CreateReactAgentParams) - [`FunctionCallingExecutorState`](https://reference.langchain.com/javascript/langchain-langgraph/prebuilt/FunctionCallingExecutorState) - [`HumanResponse`](https://reference.langchain.com/javascript/langchain-langgraph/prebuilt/HumanResponse) - [`ToolNodeOptions`](https://reference.langchain.com/javascript/langchain-langgraph/prebuilt/ToolNodeOptions) - [`PregelInputType`](https://reference.langchain.com/javascript/langchain-langgraph/pregel/PregelInputType) - [`PregelOutputType`](https://reference.langchain.com/javascript/langchain-langgraph/pregel/PregelOutputType) - [`RemoteGraphParams`](https://reference.langchain.com/javascript/langchain-langgraph/remote/RemoteGraphParams) - [`AddNodeOptions`](https://reference.langchain.com/javascript/langchain-langgraph/web/AddNodeOptions) - [`AgentStatus`](https://reference.langchain.com/javascript/langchain-langgraph/web/AgentStatus) - [`AnyStateSchema`](https://reference.langchain.com/javascript/langchain-langgraph/web/AnyStateSchema) - [`BaseLangGraphErrorFields`](https://reference.langchain.com/javascript/langchain-langgraph/web/BaseLangGraphErrorFields) - [`BinaryOperator`](https://reference.langchain.com/javascript/langchain-langgraph/web/BinaryOperator) - [`CachePolicy`](https://reference.langchain.com/javascript/langchain-langgraph/web/CachePolicy) - [`ChatModelStream`](https://reference.langchain.com/javascript/langchain-langgraph/web/ChatModelStream) - [`CheckpointMetadata`](https://reference.langchain.com/javascript/langchain-langgraph/web/CheckpointMetadata) - [`CommandParams`](https://reference.langchain.com/javascript/langchain-langgraph/web/CommandParams) - [`CompiledGraphType`](https://reference.langchain.com/javascript/langchain-langgraph/web/CompiledGraphType) - [`ConditionalEdgeRouter`](https://reference.langchain.com/javascript/langchain-langgraph/web/ConditionalEdgeRouter) - [`EntrypointOptions`](https://reference.langchain.com/javascript/langchain-langgraph/web/EntrypointOptions) - [`ExtractStateType`](https://reference.langchain.com/javascript/langchain-langgraph/web/ExtractStateType) - [`ExtractUpdateType`](https://reference.langchain.com/javascript/langchain-langgraph/web/ExtractUpdateType) - [`GetStateOptions`](https://reference.langchain.com/javascript/langchain-langgraph/web/GetStateOptions) - [`GraphNode`](https://reference.langchain.com/javascript/langchain-langgraph/web/GraphNode) - [`GraphNodeReturnValue`](https://reference.langchain.com/javascript/langchain-langgraph/web/GraphNodeReturnValue) - [`InferExtensions`](https://reference.langchain.com/javascript/langchain-langgraph/web/InferExtensions) - [`InferInterruptInputType`](https://reference.langchain.com/javascript/langchain-langgraph/web/InferInterruptInputType) - [`InferInterruptResumeType`](https://reference.langchain.com/javascript/langchain-langgraph/web/InferInterruptResumeType) - [`InferStateSchemaUpdate`](https://reference.langchain.com/javascript/langchain-langgraph/web/InferStateSchemaUpdate) - [`InferStateSchemaValue`](https://reference.langchain.com/javascript/langchain-langgraph/web/InferStateSchemaValue) - [`InferWriterType`](https://reference.langchain.com/javascript/langchain-langgraph/web/InferWriterType) - [`Interrupt`](https://reference.langchain.com/javascript/langchain-langgraph/web/Interrupt) - [`LifecycleCause`](https://reference.langchain.com/javascript/langchain-langgraph/web/LifecycleCause) - [`Messages`](https://reference.langchain.com/javascript/langchain-langgraph/web/Messages) - [`MessagesEventData`](https://reference.langchain.com/javascript/langchain-langgraph/web/MessagesEventData) - [`MultipleChannelSubscriptionOptions`](https://reference.langchain.com/javascript/langchain-langgraph/web/MultipleChannelSubscriptionOptions) - [`Namespace`](https://reference.langchain.com/javascript/langchain-langgraph/web/Namespace) - [`NamespaceMatchType`](https://reference.langchain.com/javascript/langchain-langgraph/web/NamespaceMatchType) - [`NameSpacePath`](https://reference.langchain.com/javascript/langchain-langgraph/web/NameSpacePath) - [`NodeSpec`](https://reference.langchain.com/javascript/langchain-langgraph/web/NodeSpec) - [`NodeType`](https://reference.langchain.com/javascript/langchain-langgraph/web/NodeType) - [`Operation`](https://reference.langchain.com/javascript/langchain-langgraph/web/Operation) - [`OperationResults`](https://reference.langchain.com/javascript/langchain-langgraph/web/OperationResults) - [`ReducedValueInit`](https://reference.langchain.com/javascript/langchain-langgraph/web/ReducedValueInit) - [`RetryPolicy`](https://reference.langchain.com/javascript/langchain-langgraph/web/RetryPolicy) - [`SingleChannelSubscriptionOptions`](https://reference.langchain.com/javascript/langchain-langgraph/web/SingleChannelSubscriptionOptions) - [`SingleReducer`](https://reference.langchain.com/javascript/langchain-langgraph/web/SingleReducer) - [`StateGraphAddNodeOptions`](https://reference.langchain.com/javascript/langchain-langgraph/web/StateGraphAddNodeOptions) - [`StateGraphArgsWithInputOutputSchemas`](https://reference.langchain.com/javascript/langchain-langgraph/web/StateGraphArgsWithInputOutputSchemas) - [`StateGraphArgsWithStateSchema`](https://reference.langchain.com/javascript/langchain-langgraph/web/StateGraphArgsWithStateSchema) - [`StateGraphInit`](https://reference.langchain.com/javascript/langchain-langgraph/web/StateGraphInit) - [`StateGraphNodeSpec`](https://reference.langchain.com/javascript/langchain-langgraph/web/StateGraphNodeSpec) - [`StateSchemaField`](https://reference.langchain.com/javascript/langchain-langgraph/web/StateSchemaField) - [`StateSchemaFields`](https://reference.langchain.com/javascript/langchain-langgraph/web/StateSchemaFields) - [`StateSchemaFieldsToStateDefinition`](https://reference.langchain.com/javascript/langchain-langgraph/web/StateSchemaFieldsToStateDefinition) - [`StateSchemaFieldToChannel`](https://reference.langchain.com/javascript/langchain-langgraph/web/StateSchemaFieldToChannel) - [`StateType`](https://reference.langchain.com/javascript/langchain-langgraph/web/StateType) - [`StreamMode`](https://reference.langchain.com/javascript/langchain-langgraph/web/StreamMode) - [`StreamOutputMap`](https://reference.langchain.com/javascript/langchain-langgraph/web/StreamOutputMap) - [`ToolCallStatus`](https://reference.langchain.com/javascript/langchain-langgraph/web/ToolCallStatus) - [`ToolsEventData`](https://reference.langchain.com/javascript/langchain-langgraph/web/ToolsEventData) - [`UpdatesEventData`](https://reference.langchain.com/javascript/langchain-langgraph/web/UpdatesEventData) - [`UpdateType`](https://reference.langchain.com/javascript/langchain-langgraph/web/UpdateType) - [`UsageInfo`](https://reference.langchain.com/javascript/langchain-langgraph/web/UsageInfo)