FirstStep returns the first step to be executed in the plan.

GenTransferMessages generates assistant and tool messages to instruct a transfer-to-agent tool call targeting the destination agent. NOT RECOMMENDED:

Generate mocks base method.

GetCommonOptions extract parser Options from Option list, optionally providing a base Options with default values.

GetLoaderCommonOptions extract loader Options from Option list, optionally providing a base Options with default values.

GetMessage extracts the Message from an AgentEvent. For streaming output, it duplicates the stream and concatenates it into a single Message.

GetType returns the type name for a component that implements Typer.

GetType returns the type of the agentic template (DefaultAgentic).

GlobInfo returns file information matching the glob pattern. Returns: - []FileInfo: List of matching file information - error: Error if the pattern i

Graph sets the graph handler for the handler helper, which will be called when the graph is executed.

Indexer sets the indexer handler for the handler helper, which will be called when the indexer component is executed.

InferOptionableEnhancedStreamTool creates an EnhancedStreamableTool from a given function by inferring the ToolInfo from the function's request parame

InternalMergeNamedStreamReaders merges multiple readers with their names into a single multi-stream reader.

Loader sets the loader handler for the handler helper, which will be called when the loader component is executed.

MessageParser creates a lambda that parses a message into an object T, usually used after a chatmodel. usage: parser := schema.NewMessageJSONParser[

NewChainMultiBranch creates a chain branch where a condition selects multiple end nodes to route execution.

NewEventSenderModelWrapper creates a ChatModelAgentMiddleware that sends model output as agent events.

NewInstance create an instance of the given type T. the main purpose of this function is to create an instance of a type, can handle the type of T is

NewMockLoader creates a new mock instance.

NewRetriever creates a multi-query retriever. multi-query retriever is useful when you want to retrieve documents from multiple retrievers with differ

NewStreamChainMultiBranch creates a chain branch that selects multiple end nodes based on a condition evaluated on the input stream.

NewStreamGraphMultiBranch creates a streaming branch where a condition on the input stream selects multiple end nodes.

NewStreamTool creates a [tool.StreamableTool] from an explicit [schema.ToolInfo] and a typed streaming function.

NewTransferToAgentAction creates an action to transfer to the specified agent. NOT RECOMMENDED: Agent transfer with full context sharing between agen

NewTyped creates a new typed Deep agent instance with the provided configuration. This function initializes built-in tools, creates a task tool for su

NewTyped constructs and returns the generic tool search middleware. This is the generic constructor that supports both *schema.Message and *schema.Ag

NewTyped creates a generic agentsmd middleware that injects Agents.md content into every model call. The content is loaded from the configured file pa

NewTyped creates a new plantask middleware that provides task management tools for agents. It adds TaskCreate, TaskGet, TaskUpdate, and TaskList tools

NewUnboundedChan initializes and returns an UnboundedChan

OnStartWithStreamInput invokes the OnStartWithStreamInput timing. Use this when the component's input is itself a stream (Collect / Transform paradigm

Parse parses the given reader and returns a list of documents.

Prompt sets the prompt handler for the handler helper, which will be called when the prompt component is executed.

Retriever sets the retriever handler for the handler helper, which will be called when the retriever component is executed.

String returns the string representation of MCPToolResult.

ToolsNode sets the tools node handler for the handler helper, which will be called when the tools node is executed.

Transformer sets the transformer handler for the handler helper, which will be called when the transformer component is executed.

TypedSendEvent sends a custom TypedAgentEvent to the event stream during agent execution. This allows TypedChatModelAgentMiddleware implementations to

Wait blocks until the cancel request reaches a terminal outcome. It reports the result of the cancel operation itself, not the agent's final business

WithChatModelOptions returns an agent option that specifies model.Option for the chat model in agent.

WithChatModelOptions sets options for the underlying chat model.

WithDeferredTools is the option to set deferred tools for the model's built-in (server-side) tool search. These tools are registered with defer_loadin

WithFanInMergeConfig sets the fan-in merge configurations for the graph nodes that receive inputs from multiple sources.

WithFullChatHistoryAsInput enables using the full chat history as input.

WithGraphCompileCallbacks sets callbacks for graph compilation.

WithStreamStatePreHandler modify node's streaming input of I according to state S and input or store input information into state, and it's thread-saf

WithTemperature is the option to set the temperature for the model.

WithToolOptions returns an agent option that specifies tool.Option for the tools in agent.

WithToolSearchTool is the option to register a tool search tool with the model. When set, the model uses this tool to discover and load deferred tools

WithTopP is the option to set the top p for the model.

WithURI specifies the source URI of the document. It will be used as to select parser in ExtParser.

WrapImplSpecificOptFn wraps the impl specific option functions into Option type. T: the type of the impl specific options struct. Parser implementatio

WrapInvokableToolWithErrorHandler wraps an InvokableTool with custom error handling. When the wrapped tool returns an error, the error handler functio

WrapLoaderImplSpecificOptFn wraps the impl specific option functions into LoaderOption type. T: the type of the impl specific options struct. Loader i

WrapStreamableToolWithErrorHandler wraps a StreamableTool with custom error handling. When the wrapped tool returns an error, the error handler functi

WrapTransformerImplSpecificOptFn wraps the impl specific option functions into TransformerOption type. T: the type of the impl specific options struct

addEndIfNeeded add END edge of the chain/graph. only run once when compiling.

--- Agentic retry/failover stream test helpers ---

applyContext adds context lines around matches.

applyFrameworkCapturedError resolves the final error for runAgentAndHandleEvents. Priority scheme: - If handleErr != nil: the user's callback error wi

buildTupleFromOpts rebuilds a toolsTuple when call options override tools or aliases.

claimOwnership is called exclusively from onGraphStart / onGraphStartWithStreamInput to record this handler's address on first invocation. It returns