/** Inputs that prove a scheduled full reconcile can be replaced by watcher work. */
export type IdleFullReconcileProof = {
    enabled: boolean;
    lastFullMonoMs: number | null;
    lastFullWallMs: number | null;
    nowMonoMs: number;
    nowWallMs: number;
    previousTickMonoMs: number | null;
    watcherCoverageHealthy: boolean;
    journalHealthy: boolean;
    continuityHealthy: boolean;
};
/** Tracks whether the watcher has continuously observed the tree since a clean full pass. */
export declare class FullPassContinuity {
    private lastTickMonoMs;
    private healthy;
    get previousTickMonoMs(): number | null;
    get isHealthy(): boolean;
    observeLoopTick(nowMonoMs: number): boolean;
    markFullPassCompleted(nowMonoMs: number): void;
}
/** A successful exit is insufficient when the pass reports an abort or partial fanout. */
export declare function isFullPassJournalHealthy(exitCode: number, partial: boolean | undefined): boolean;
/**
 * A successful full pass and a continuously healthy watcher make only a
 * scheduled reconciliation redundant. A process restart, missed loop turn,
 * clock discontinuity, invalid journal, or uncertain watcher coverage always
 * falls back to the ordinary full walk.
 */
export declare function canSkipScheduledFullReconcile(proof: IdleFullReconcileProof): boolean;
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