import type { ManagedSession } from "./types.js";
export declare function isSubagentSession(session: ManagedSession): boolean;
export declare function sessionDepth(session: ManagedSession, sessions: ManagedSession[]): number;
export declare function sessionCascadeIds(sessions: ManagedSession[], id: string): Set<string>;
export declare function orderedSessionRows(sessions: ManagedSession[], filter?: string): ManagedSession[];
export declare function matchesFilter(session: ManagedSession, filter: string): boolean;