/**
 * Global dashboard session registry.
 * Tracks ALL sessions (HTTP + STDIO) for dashboard visibility and GC.
 */
interface DashboardSessionInfo {
    mcpSessionId: string;
    threadId: number | null;
    transportType: "http" | "stdio";
    status: "active" | "disconnected";
    lastActivity: number;
    lastWaitCallAt: number | null;
    disconnectedAt: number | null;
}
/** Register a new session for dashboard tracking. */
export declare function registerDashboardSession(mcpSessionId: string, transportType: "http" | "stdio", threadId?: number | null): void;
/** Update the last activity timestamp for a session. */
export declare function updateDashboardActivity(mcpSessionId: string): void;
/** Update the threadId for a session (called after start_session resolves). */
export declare function updateDashboardThreadId(mcpSessionId: string, threadId: number | null): void;
/** Record a wait_for_instructions heartbeat. */
export declare function updateLastWaitCall(mcpSessionId: string): void;
/** Mark a session as disconnected. */
export declare function markDashboardSessionDisconnected(mcpSessionId: string): void;
/** Remove a session from dashboard tracking entirely. */
export declare function removeDashboardSession(mcpSessionId: string): void;
/** Get all dashboard-tracked sessions. */
export declare function getDashboardSessions(): DashboardSessionInfo[];
/** Grace period: a session is "truly alive" if lastWaitCallAt is within this. */
export declare const WAIT_LIVENESS_MS: number;
/**
 * Thread IDs of sessions that are actively parked in wait_for_instructions
 * (status active + lastWaitCallAt within `withinMs`). Used by self-update to
 * know which agents are live enough to be expected to observe the maintenance
 * flag before the HTTP port is closed.
 */
export declare function getLiveWaitingThreadIds(withinMs?: number): number[];
export {};
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