/** All valid session lifecycle statuses. Import and use these instead of string literals. */
export declare const SESSION_STATUS: {
    readonly PENDING: "pending";
    readonly RUNNING: "running";
    readonly IDLE: "idle";
    readonly STOPPED: "stopped";
    readonly SUSPENDED: "suspended";
};
/** Lifecycle status of an agent session. */
export type SessionStatus = (typeof SESSION_STATUS)[keyof typeof SESSION_STATUS];
/** Session statuses that represent a terminal (ended) state. */
export declare const TERMINAL_SESSION_STATUSES: ReadonlySet<SessionStatus>;
/** Why a session stopped. Only meaningful when status is STOPPED. */
export declare const END_REASON: {
    readonly COMPLETED: "completed";
    readonly KILLED: "killed";
    readonly INTERRUPTED: "interrupted";
    readonly TERMINATED: "terminated";
    readonly BUDGET_EXCEEDED: "budget_exceeded";
};
/** The reason a session transitioned to STOPPED. */
export type EndReason = (typeof END_REASON)[keyof typeof END_REASON];
/** Pipe mode for parent↔child IPC on spawn. */
export type PipeMode = "sync" | "async" | "detach" | "";
/** All valid task lifecycle statuses. Import and use these instead of string literals. */
export declare const TASK_STATUS: {
    readonly NOT_STARTED: "not_started";
    readonly WORKING: "working";
    readonly PAUSED: "paused";
    readonly COMPLETE: "complete";
    readonly FAILED: "failed";
};
/** Lifecycle status of a task, derived from session history. */
export type TaskStatus = (typeof TASK_STATUS)[keyof typeof TASK_STATUS];
/** Connection status of a remote environment. */
export type EnvironmentStatus = "disconnected" | "connecting" | "connected" | "sleeping" | "error";
/** Discriminator for events emitted by an agent runtime. */
export type AgentEventType = "text" | "tool_use" | "tool_result" | "error" | "status" | "system" | "runtime_session_id" | "usage" | "turn_started" | "turn_complete" | "input_needed";
/** Discriminator for all session events, including user input and signals. */
export type EventType = AgentEventType | "user_input" | "signal";
/** Parsed tool policy — matches the shape of `grackle.ToolConfig`. */
export interface ToolConfigSpec {
    allowedTools: string[];
    disallowedTools: string[];
}
/** Parsed MCP server entry — matches the shape of `grackle.McpServerConfig`. */
export interface McpServerSpec {
    name: string;
    command: string;
    args: string[];
    tools: string[];
}
/** Supported environment adapter backends. */
export type AdapterType = "docker" | "local" | "codespace" | "ssh";
/** Supported agent runtime implementations. */
export type RuntimeName = "claude-code" | "copilot" | "codex" | "goose" | "stub";
/** How a token is delivered to the PowerLine: as an env var or written to a file. */
export type TokenType = "env_var" | "file";
/** Default port the PowerLine gRPC server listens on. */
export declare const DEFAULT_POWERLINE_PORT: number;
/** Default port the central Grackle gRPC server listens on. */
export declare const DEFAULT_SERVER_PORT: number;
/** Default port for the web UI and WebSocket bridge. */
export declare const DEFAULT_WEB_PORT: number;
/** Default port for the MCP (Model Context Protocol) server. */
export declare const DEFAULT_MCP_PORT: number;
/** Default port for the MCP Apps widget sandbox (a separate origin for the double-iframe). */
export declare const DEFAULT_SANDBOX_PORT: number;
/** Name of the seed persona created on first run. */
export declare const DEFAULT_PERSONA_NAME: string;
/** ID of the seed persona created on first run. */
export declare const SEED_PERSONA_ID: string;
/** Name of the Grackle config directory under the user's home. */
export declare const GRACKLE_DIR: string;
/** SQLite database filename. */
export declare const DB_FILENAME: string;
/** Subdirectory for session log files. */
export declare const LOGS_DIR: string;
/** Filename for the locally-stored API key. */
export declare const API_KEY_FILENAME: string;
/** Maximum allowed nesting depth for task hierarchies. */
export declare const MAX_TASK_DEPTH: number;
/** Well-known ID for the System persona (orchestrator). */
export declare const SYSTEM_PERSONA_ID: string;
/** Display name for the System persona. */
export declare const SYSTEM_PERSONA_NAME: string;
/** Well-known ID for the root task (always present). */
export declare const ROOT_TASK_ID: string;
/** Initial prompt sent to the root task on auto-start (and manual restart). */
export declare const ROOT_TASK_INITIAL_PROMPT: string;
/** Well-known ID for the default workspace (created on first run, tied to local env). */
export declare const DEFAULT_WORKSPACE_ID: string;
/** Default maximum concurrent agent sessions when no limit is configured. */
export declare const DEFAULT_MAX_CONCURRENT_SESSIONS: number;
/** Settings-store key for the global concurrent session limit. */
export declare const SETTINGS_KEY_MAX_CONCURRENT_SESSIONS: string;
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