/// <reference types="react" />
import { Reaction } from "mobx";
export declare function createTrackingData(reaction: Reaction): IReactionTracking;
/**
 * Unified api for timers/Finalization registry cleanups
 * This abstraction make useObserver much simpler
 */
export interface ReactionCleanupTracking {
    /**
     *
     * @param reaction The reaction to cleanup
     * @param objectRetainedByReact This will be in actual use only when FinalizationRegister is in use
     */
    addReactionToTrack(reactionTrackingRef: React.MutableRefObject<IReactionTracking | null>, reaction: Reaction, objectRetainedByReact: object): IReactionTracking;
    recordReactionAsCommitted(reactionRef: React.MutableRefObject<IReactionTracking | null>): void;
    forceCleanupTimerToRunNowForTests(): void;
    resetCleanupScheduleForTests(): void;
}
export interface IReactionTracking {
    /** The Reaction created during first render, which may be leaked */
    reaction: Reaction;
    /**
     * The time (in ticks) at which point we should dispose of the reaction
     * if this component hasn't yet been fully mounted.
     */
    cleanAt: number;
    /**
     * Whether the component has yet completed mounting (for us, whether
     * its useEffect has run)
     */
    mounted: boolean;
    /**
     * Whether the observables that the component is tracking changed between
     * the first render and the first useEffect.
     */
    changedBeforeMount: boolean;
    /**
     * In case we are using finalization registry based cleanup,
     * this will hold the cleanup token associated with this reaction
     */
    finalizationRegistryCleanupToken?: number;
}
/**
 * The minimum time before we'll clean up a Reaction created in a render
 * for a component that hasn't managed to run its effects. This needs to
 * be big enough to ensure that a component won't turn up and have its
 * effects run without being re-rendered.
 */
export declare const CLEANUP_LEAKED_REACTIONS_AFTER_MILLIS = 10000;
/**
 * The frequency with which we'll check for leaked reactions.
 */
export declare const CLEANUP_TIMER_LOOP_MILLIS = 10000;