import type { SessionRegistryCreateOptions, SessionRegistryEntry, SessionRegistryOptions, SessionRegistrySession, SessionRegistrySweepOptions } from "./registry-types.ts";
export { isTerminalSessionExited, sessionIdPrefix } from "./registry-session.ts";
export type { InitialSessionRegistryEntry, MaybePromise, SessionRegistryCreateContext, SessionRegistryCreateOptions, SessionRegistryEntry, SessionRegistryOptions, SessionRegistrySession, SessionRegistrySweepOptions, TerminalSessionSignal, TerminalSessionState, TrackedDetachedChild, } from "./registry-types.ts";
export { SessionRegistryCapacityError } from "./registry-types.ts";
export declare class SessionRegistry<TSession extends SessionRegistrySession = SessionRegistrySession> {
    private readonly entries;
    private readonly idCounters;
    private readonly createSession;
    private readonly killProcess;
    private readonly now;
    private readonly platform;
    private sequence;
    readonly maxSessions: number;
    private readonly stopExitGraceMs;
    private readonly forcedExitGraceMs;
    private readonly detachedExitGraceMs;
    constructor(options?: SessionRegistryOptions<TSession>);
    get size(): number;
    list(): readonly SessionRegistryEntry<TSession>[];
    get(id: string): SessionRegistryEntry<TSession> | null;
    create(options?: SessionRegistryCreateOptions<TSession>): Promise<SessionRegistryEntry<TSession>>;
    sweepExited(options?: SessionRegistrySweepOptions): Promise<readonly string[]>;
    stop(id: string): Promise<boolean>;
    stopAll(): Promise<void>;
    teardown(): Promise<void>;
    private createSessionWithFactory;
    private addEntry;
    private handleSessionExit;
    private enforceCapacityForCreate;
    private pruneExitedUntilAtMost;
    private findLeastRecentlyUsedExited;
    private stopEntry;
    /**
     * SIGKILL a session that outlived the graceful stop. Only a session that even
     * survives the forced signal (or exposes no way to be signalled) stays
     * `stopping`; everything else settles as `exited`.
     */
    private forceKillEntry;
    private cleanupDetachedChildren;
    private cleanupDetachedChildrenOnce;
    private refreshExitedStates;
    private refreshEntryState;
    private markExited;
    private removeEntry;
    private allocateId;
    private observeId;
    private timestamp;
}
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