import type { ArkmeMemberEvent, ArkmeMemberEventPage, ArkmeMemberEventQuery } from '../types.js';
export interface MemberEventTimelineSnapshot {
    events: ArkmeMemberEvent[];
    gaps: Array<{
        id: string;
        at: number;
    }>;
    loading: boolean;
    unavailable: boolean;
}
/** One account/group cache, with a selected display window. No expiry timer or polling. */
export declare class MemberEventTimeline {
    private readonly read;
    private readonly changed;
    private events;
    private ranges;
    private lower;
    private upper;
    private sequence;
    private disposed;
    private denied;
    private active;
    private jobs;
    private foreground;
    private dirty;
    private hintAt;
    private seen;
    private timer;
    private lastRefresh;
    private revision;
    private mode;
    private latestUpper;
    private latestFetchedAt;
    private latestRevision;
    private retryAt;
    constructor(read: (query: ArkmeMemberEventQuery, signal: AbortSignal) => Promise<ArkmeMemberEventPage>, changed?: () => void, seed?: readonly ArkmeMemberEvent[]);
    snapshot(lower?: number | undefined, upper?: number): MemberEventTimelineSnapshot;
    /** Pure render-time projection: never enters a window, expires data, or starts a read. */
    cachedSnapshot(mode: 'latest' | 'around', window?: {
        from: number;
        to?: number;
    }): MemberEventTimelineSnapshot | undefined;
    windowUpper(): number;
    /** Re-entry is the only place that checks cache age. Pending reads remain shared. */
    enterWindow(from: number, to: number, mode: 'latest' | 'around'): Promise<void>;
    setWindow(from: number, to: number): Promise<void>;
    private addRange;
    loadGap(id: string): Promise<void>;
    invalidate(eventId: string, occurredAt: number): void;
    setForeground(value: boolean): void;
    revoke(): void;
    private scheduleRefresh;
    private enqueue;
    private pump;
    /** Bound inactive caches without claiming coverage for evicted rows or pages. */
    trim(): void;
    dispose(): void;
}
export declare function memberEventsUnavailable(error: unknown): boolean;
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