/**
 * Shared session-scope building logic.
 *
 * Reads raw dispatch state files to compute the set of child session IDs
 * that belong to a given parent session. Used by both the CLI monitor and
 * TUI sidebar to scope activity display to the current session's subtree.
 *
 * @module
 */
/**
 * Build a set of session IDs that belong to the given parent session.
 *
 * Reads raw dispatch-*.json files (which contain parentSessionId, unlike
 * the MonitorSnapshot which strips it) and collects all childSessionIds
 * where parentSessionId === currentSessionId.
 *
 * Also includes the currentSessionId itself (for functions activated
 * directly in the primary session).
 */
export declare function buildSessionScope(stateDir: string, currentSessionId: string): Set<string>;
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