/**
 * Enum representing the various event types emitted during the execution of runnables.
 * These events provide real-time information about the progress and state of different components.
 *
 * @enum {string}
 */
export declare enum GraphEvents {
    /** [Custom] Agent update event in multi-agent graph/workflow */
    ON_AGENT_UPDATE = "on_agent_update",
    /** [Custom] Subagent lifecycle event (start, run_step, message_delta, stop, error) */
    ON_SUBAGENT_UPDATE = "on_subagent_update",
    /** [Custom] Delta event for run steps (message creation and tool calls) */
    ON_RUN_STEP = "on_run_step",
    /** [Custom] Delta event for run steps (tool calls) */
    ON_RUN_STEP_DELTA = "on_run_step_delta",
    /** [Custom] Completed event for run steps (tool calls) */
    ON_RUN_STEP_COMPLETED = "on_run_step_completed",
    /** [Custom] Delta events for messages */
    ON_MESSAGE_DELTA = "on_message_delta",
    /** [Custom] Reasoning Delta events for messages */
    ON_REASONING_DELTA = "on_reasoning_delta",
    /** [Custom] Context analytics event for traces */
    ON_CONTEXT_ANALYTICS = "on_context_analytics",
    /** [Custom] Structured output event - emitted when agent returns structured JSON */
    ON_STRUCTURED_OUTPUT = "on_structured_output",
    /** [Custom] Request to execute tools - dispatched by ToolNode, handled by host */
    ON_TOOL_EXECUTE = "on_tool_execute",
    /** [Custom] Context pressure event for monitoring compaction triggers */
    ON_CONTEXT_PRESSURE = "on_context_pressure",
    /** [Custom] Tool requires human approval before execution - dispatched by ToolNode HITL */
    ON_TOOL_APPROVAL_REQUIRED = "on_tool_approval_required",
    /** [Custom] Agent transition event — dispatched when control passes between agents */
    ON_AGENT_TRANSITION = "on_agent_transition",
    /** [Custom] Approval gate interrupt — dispatched by ApprovalGateNode before interrupt() */
    ON_APPROVAL_GATE = "on_approval_gate",
    /** Custom event, emitted by system */
    ON_CUSTOM_EVENT = "on_custom_event",
    /** Emitted when a chat model starts processing. */
    CHAT_MODEL_START = "on_chat_model_start",
    /** Emitted when a chat model streams a chunk of its response. */
    CHAT_MODEL_STREAM = "on_chat_model_stream",
    /** Emitted when a chat model completes its processing. */
    CHAT_MODEL_END = "on_chat_model_end",
    /** Emitted when a language model starts processing. */
    LLM_START = "on_llm_start",
    /** Emitted when a language model streams a chunk of its response. */
    LLM_STREAM = "on_llm_stream",
    /** Emitted when a language model completes its processing. */
    LLM_END = "on_llm_end",
    /** Emitted when a chain starts processing. */
    CHAIN_START = "on_chain_start",
    /** Emitted when a chain streams a chunk of its output. */
    CHAIN_STREAM = "on_chain_stream",
    /** Emitted when a chain completes its processing. */
    CHAIN_END = "on_chain_end",
    /** Emitted when a tool starts its operation. */
    TOOL_START = "on_tool_start",
    /** Emitted when a tool completes its operation. */
    TOOL_END = "on_tool_end",
    /** Emitted when a retriever starts its operation. */
    RETRIEVER_START = "on_retriever_start",
    /** Emitted when a retriever completes its operation. */
    RETRIEVER_END = "on_retriever_end",
    /** Emitted when a prompt starts processing. */
    PROMPT_START = "on_prompt_start",
    /** Emitted when a prompt completes its processing. */
    PROMPT_END = "on_prompt_end"
}
export declare enum Providers {
    OPENAI = "openAI",
    VERTEXAI = "vertexai",
    BEDROCK = "bedrock",
    ANTHROPIC = "anthropic",
    MISTRALAI = "mistralai",
    MISTRAL = "mistral",
    GOOGLE = "google",
    AZURE = "azureOpenAI",
    DEEPSEEK = "deepseek",
    OPENROUTER = "openrouter",
    XAI = "xai",
    MOONSHOT = "moonshot"
}
export declare enum EdgeType {
    /**
     * Upstream-aligned handoff: one-way routing where the parent agent exits
     * via a `lc_transfer_to_<destination>` tool call, the child takes over,
     * and the child responds directly to the user. Replaces what used to be
     * called "TRANSFER" in earlier Ranger versions; the parent-calls-child
     * supervisor pattern (formerly `EdgeType.HANDOFF`) is gone — use the
     * Subagent primitive (Tier 5) for deep delegation instead.
     */
    HANDOFF = "handoff",
    /**
     * Fixed graph edges for automatic transitions. Naming matches upstream.
     * Ranger keeps its enriched wiring on top of this edge type:
     * fan-in with prompt + {results}, parallel groups, ApprovalGateNode
     * insertion, and the `excludeResults` agentMessages channel.
     */
    DIRECT = "direct"
}
export declare enum GraphNodeKeys {
    TOOLS = "tools=",
    AGENT = "agent=",
    ROUTER = "router",
    PRE_TOOLS = "pre_tools",
    POST_TOOLS = "post_tools"
}
export declare enum GraphNodeActions {
    TOOL_NODE = "tool_node",
    CALL_MODEL = "call_model",
    ROUTE_MESSAGE = "route_message"
}
export declare enum CommonEvents {
    LANGGRAPH = "LangGraph"
}
export declare enum StepTypes {
    TOOL_CALLS = "tool_calls",
    MESSAGE_CREATION = "message_creation"
}
export declare enum ContentTypes {
    TEXT = "text",
    ERROR = "error",
    THINK = "think",
    TOOL_CALL = "tool_call",
    IMAGE_URL = "image_url",
    IMAGE_FILE = "image_file",
    /** Anthropic */
    THINKING = "thinking",
    /** Vertex AI / Google Common */
    REASONING = "reasoning",
    /** Multi-Agent Switch */
    AGENT_UPDATE = "agent_update",
    /** Bedrock */
    REASONING_CONTENT = "reasoning_content"
}
export declare enum ToolCallTypes {
    FUNCTION = "function",
    RETRIEVAL = "retrieval",
    FILE_SEARCH = "file_search",
    CODE_INTERPRETER = "code_interpreter",
    TOOL_CALL = "tool_call"
}
export declare enum Callback {
    TOOL_ERROR = "handleToolError",
    TOOL_START = "handleToolStart",
    TOOL_END = "handleToolEnd",
    CUSTOM_EVENT = "handleCustomEvent"
}
export declare enum Constants {
    OFFICIAL_CODE_BASEURL = "https://api.illuma.ai/v1",
    EXECUTE_CODE = "execute_code",
    /** Tool name for the bash execution primitive (upstream Tier 3). */
    BASH_TOOL = "execute_bash",
    /** Tool name for the bash programmatic-tool-calling variant (upstream Tier 3). */
    BASH_PROGRAMMATIC_TOOL_CALLING = "run_tools_with_bash",
    /** Tool name for the read-file primitive (upstream Tier 3). */
    READ_FILE = "read_file",
    /** Tool name for the SkillTool primitive (upstream Tier 2). */
    SKILL_TOOL = "skill",
    /** Tool name for the Subagent primitive (upstream Tier 5). */
    SUBAGENT = "subagent",
    TOOL_SEARCH = "tool_search",
    PROGRAMMATIC_TOOL_CALLING = "run_tools_with_code",
    WEB_SEARCH = "web_search",
    CONTENT_AND_ARTIFACT = "content_and_artifact",
    /** Prefix for handoff tool names (parent-exits routing): lc_transfer_to_{agentId}. */
    LC_TRANSFER_TO_ = "lc_transfer_to_",
    /** Tool name for the AskUser structured question tool */
    ASK_USER = "ask_user",
    /** Delimiter for MCP tools: toolName_mcp_serverName */
    MCP_DELIMITER = "_mcp_",
    /** Prefix for Anthropic-hosted server tool ids (web_search, code_execution).
     *  These are issued by Anthropic, not by us, and should be ignored by
     *  orphan-repair sweeps that don't have ground truth for them. */
    ANTHROPIC_SERVER_TOOL_PREFIX = "srvtoolu_"
}
export declare enum TitleMethod {
    STRUCTURED = "structured",
    FUNCTIONS = "functions",
    COMPLETION = "completion"
}
export declare enum EnvVar {
    CODE_API_KEY = "CODE_EXECUTOR_API_KEY",
    CODE_BASEURL = "CODE_EXECUTOR_BASEURL"
}
/**
 * Normalized LLM finish/stop reasons across providers.
 * Used by toolCallContinuation to detect max_tokens truncation.
 */
export declare enum FinishReasons {
    /** Anthropic / Bedrock stop reason for token limit */
    MAX_TOKENS = "max_tokens",
    /** OpenAI / Azure finish reason for token limit */
    LENGTH = "length",
    /** Normal completion */
    STOP = "stop",
    /** Anthropic / Bedrock stop reason for normal completion */
    END_TURN = "end_turn",
    /** Model chose to call tools */
    TOOL_USE = "tool_use",
    /** OpenAI finish reason for tool calls */
    TOOL_CALLS = "tool_calls"
}
/**
 * Message type identifiers used by LangChain's BaseMessage.getType().
 * Use these constants instead of instanceof checks to avoid module mismatch issues
 * when different copies of @langchain/core/messages are loaded.
 */
export declare enum MessageTypes {
    HUMAN = "human",
    AI = "ai",
    SYSTEM = "system",
    TOOL = "tool",
    FUNCTION = "function",
    GENERIC = "generic",
    DEVELOPER = "developer",
    REMOVE = "remove"
}
/**
 * Tool names that use the code execution environment (shared session, file
 * tracking). Used by ToolNode to inject session context + file refs into
 * `invokeParams` before tool execution. Upstream-aligned constant.
 */
export declare const CODE_EXECUTION_TOOLS: ReadonlySet<string>;