import type { ActionInvocationResult, NavigationState } from "./types.js";
export type RuntimeActionStateStoreOptions = {
    rootDirectory?: string;
    pid?: number;
    runtimeId?: string;
    clock?: () => Date;
    uuid?: () => string;
};
export declare function runtimeRootDirectory(rootDirectory?: string | undefined): string;
export declare class RuntimeActionStateStore {
    readonly runtimeId: string;
    readonly pid: number;
    readonly runtimeDirectory: string;
    readonly sessionsDirectory: string;
    private readonly rootDirectory;
    private readonly clock;
    private readonly uuid;
    private readonly tails;
    private readonly latest;
    private ready;
    private shutdownPromise;
    private active;
    private ownsRuntimeDirectory;
    constructor(options?: RuntimeActionStateStoreOptions);
    sessionPath(sessionId: string): string;
    private sessionHashPath;
    initialize(): Promise<void>;
    private initializeInternal;
    private scheduleStaleRuntimeSweep;
    private reapStaleRuntimes;
    private writeJsonAtomic;
    private enqueue;
    private writeSession;
    private publishProjection;
    initializeSession(sessionId: string, state: NavigationState, activeSessionLeaf: string | null): Promise<void>;
    publishNavigation(sessionId: string, state: NavigationState, activeSessionLeaf: string | null): Promise<void>;
    publishActionResult(sessionId: string, state: NavigationState, activeSessionLeaf: string | null, result: ActionInvocationResult): Promise<void>;
    shutdown(): Promise<void>;
}