import type { SceneExecutionService } from './execution.js';
import type { SceneRepository } from './repository.js';
import type { SceneMailObservationService } from './mailObservations.js';
/** Single-Gateway pump. Durable occurrence, lease and budget rules remain in the domain. */
export declare class SceneRuntime {
    private readonly repository;
    private readonly execution;
    private readonly observations;
    private readonly clock;
    private readonly intervalMs;
    private readonly worker;
    private controller;
    private timer?;
    private running?;
    private observing?;
    private observationCursor;
    private stopping?;
    constructor(repository: SceneRepository, execution: SceneExecutionService, observations: Pick<SceneMailObservationService, 'scan'>, clock?: () => number, intervalMs?: number);
    start(): void;
    /** Ingests due occurrences even when an earlier model call is still running. */
    tick(): Promise<void>;
    private observe;
    /** Cancels the active read/model call before the host closes SQLite. */
    stop(): Promise<void>;
}