export interface FnState {
    phase: "active" | "gated" | "complete";
    activatedAtTurn: number;
    currentTurn: number;
    evidenceObserved: Record<string, boolean>;
    toolsObserved: string[];
    continuationCount: number;
    cooldownUntilTurn: number;
    gateSatisfied: boolean;
    kv: Record<string, unknown>;
    schemaVersion: number;
    /** Date.now() ms when phase was gated via signal(type="blocked"). */
    blockedAt?: number;
    /** Wall-clock timeout in ms for blocked gating (default 120_000 = 2 min). */
    blockedTimeoutMs?: number;
}
export declare class FunctionRuntimeManager {
    private states;
    private store?;
    private _dirty;
    private _timer?;
    setStoreDirectory(dir: string): void;
    init(sessionID: string, fn: string, schemaVersion: number): FnState;
    get(sessionID: string, fn: string): FnState | undefined;
    all(sessionID: string): Map<string, FnState>;
    markDirty(): void;
    clearSession(sessionID: string): void;
    private _persist;
    flushSync(): void;
    recover(): void;
    /**
     * Clear all in-memory state without creating a new instance.
     * Used by state-registry reset to avoid split-brain (multiple instances).
     * Does NOT persist the empty state — caller re-initializes as needed via init().
     */
    resetAll(): void;
}
export declare const functionRuntime: FunctionRuntimeManager;
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